Is it safe to delete this folder?

What’s in ~/Library and the other folders that grow on a Mac: what each one is, whether it comes back, and the proper way to remove it.

From MoreRoom’s rules catalogue, version 2 (October 17, 2026).

250 folders

  • Android native build folders (.cxx)

    Safe to remove…/.cxx
  • Android Studio caches

    Safe to remove~/Library/Caches/Google

    Indexes and caches of every Android Studio version. Rebuilt when a project is opened.

  • Android tools cache

    Safe to remove~/.android/cache
  • Angular build caches (.angular)

    Safe to remove…/.angular
  • Bun cache

    Safe to remove~/.bun/install/cache
  • Cargo git dependencies

    Safe to remove~/.cargo/git
  • Cargo registry cache

    Safe to remove~/.cargo/registry
  • Carthage cache

    Safe to remove~/Library/Caches/org.carthage.CarthageKit
  • CocoaPods cache

    Safe to remove~/Library/Caches/CocoaPods
  • CocoaPods project folders (Pods)

    Safe to remove…/Pods
  • CocoaPods spec repositories

    Safe to remove~/.cocoapods/repos

    Local copies of pod spec repositories. CocoaPods fetches them again on the next pod install.

  • Conda package cache (Anaconda)

    Safe to remove~/anaconda3/pkgs
  • Conda package cache (Miniconda)

    Safe to remove~/miniconda3/pkgs
  • Conda package cache (Miniforge)

    Safe to remove~/miniforge3/pkgs
  • Cursor compiled code cache

    Safe to remove~/Library/Application Support/Cursor/CachedData
  • Cypress binaries

    Safe to remove~/Library/Caches/Cypress
  • Dart analysis server cache

    Safe to remove~/.dartServer
  • Electron downloads

    Safe to remove~/Library/Caches/electron
  • Expo project caches (.expo)

    Safe to remove…/.expo
  • Flutter / Dart package cache

    Safe to remove~/.pub-cache
  • Flutter build folders

    Safe to remove…/build
  • Flutter project caches (.dart_tool)

    Safe to remove…/.dart_tool
  • Go build cache

    Safe to remove~/Library/Caches/go-build
  • Go module cache

    Safe to remove~/go/pkg/mod

    Downloaded Go modules. Files are read-only, so MoreRoom uses go clean -modcache; modules download again on the next build.

  • Gradle build folders

    Safe to remove…/build
  • Gradle caches

    Safe to remove~/.gradle/caches
  • Gradle daemon logs

    Safe to remove~/.gradle/daemon
  • Gradle distributions

    Safe to remove~/.gradle/wrapper/dists
  • Gradle project caches (.gradle)

    Safe to remove…/.gradle
  • Homebrew downloads

    Safe to remove~/Library/Caches/Homebrew
  • iOS Device Support (old versions)

    Safe to remove~/Library/Developer/Xcode/iOS DeviceSupport

    Debug symbols copied from every iPhone you plugged in. Xcode copies them again when needed.

  • JetBrains IDE caches and indexes

    Safe to remove~/Library/Caches/JetBrains

    Indexes and caches of IntelliJ, PyCharm, WebStorm and others. Rebuilt when a project is opened (indexing can take a while).

  • Kotlin/Native toolchains

    Safe to remove~/.konan

    Compilers and dependencies Kotlin Multiplatform downloads. Downloaded again on the next build.

  • macOS Device Support (old versions)

    Safe to remove~/Library/Developer/Xcode/macOS DeviceSupport
  • MacPorts downloaded sources

    Safe to remove/opt/local/var/macports/distfiles
  • Maven repository

    Safe to remove~/.m2/repository
  • minikube image cache

    Safe to remove~/.minikube/cache
  • Next.js build folders

    Safe to remove…/.next
  • node_modules folders

    Safe to remove…/node_modules

    Installed dependencies of projects not touched for 30 days. Restored with npm install (or yarn, pnpm, bun).

  • npm cache

    Safe to remove~/.npm/_cacache
  • npx package cache

    Safe to remove~/.npm/_npx

    Packages downloaded to run one-off npx commands. Downloaded again the next time they run.

  • NuGet package cache

    Safe to remove~/.nuget/packages
  • Nuxt build folders (.nuxt)

    Safe to remove…/.nuxt
  • Parcel caches (.parcel-cache)

    Safe to remove…/.parcel-cache
  • pip cache

    Safe to remove~/Library/Caches/pip
  • pipx cache

    Safe to remove~/.local/pipx/.cache
  • Playground simulators

    Safe to remove~/Library/Developer/XCPGDevices
  • Playwright Chromium (old versions)

    Safe to remove~/Library/Caches/ms-playwright
  • Playwright Firefox (old versions)

    Safe to remove~/Library/Caches/ms-playwright
  • Playwright headless shell (old versions)

    Safe to remove~/Library/Caches/ms-playwright
  • Playwright WebKit (old versions)

    Safe to remove~/Library/Caches/ms-playwright
  • pnpm store

    Safe to remove~/Library/pnpm/store
  • Poetry cache and virtualenvs

    Safe to remove~/Library/Caches/pypoetry

    Downloaded packages and the virtualenvs Poetry creates for projects. poetry install recreates them.

  • pre-commit hook environments

    Safe to remove~/.cache/pre-commit
  • Puppeteer browsers

    Safe to remove~/.cache/puppeteer
  • Rust build folders (target)

    Safe to remove…/target
  • Selenium browser drivers

    Safe to remove~/.cache/selenium
  • Simulator caches

    Safe to remove~/Library/Developer/CoreSimulator/Caches
  • Simulator logs

    Safe to remove~/Library/Logs/CoreSimulator
  • SvelteKit build folders (.svelte-kit)

    Safe to remove…/.svelte-kit
  • Swift package build folders (.build)

    Safe to remove…/.build
  • Swift Package Manager cache

    Safe to remove~/Library/Caches/org.swift.swiftpm
  • SwiftUI preview data

    Safe to remove~/Library/Developer/Xcode/UserData/Previews
  • Test simulator clones

    Safe to remove~/Library/Developer/XCTestDevices
  • Turborepo caches (.turbo)

    Safe to remove…/.turbo
  • tvOS Device Support (old versions)

    Safe to remove~/Library/Developer/Xcode/tvOS DeviceSupport
  • uv cache

    Safe to remove~/.cache/uv
  • visionOS Device Support (old versions)

    Safe to remove~/Library/Developer/Xcode/visionOS DeviceSupport
  • VS Code compiled code cache

    Safe to remove~/Library/Application Support/Code/CachedData
  • VS Code extension downloads

    Safe to remove~/Library/Application Support/Code/CachedExtensionVSIXs
  • watchOS Device Support (old versions)

    Safe to remove~/Library/Developer/Xcode/watchOS DeviceSupport
  • Xcode build data (DerivedData)

    Safe to remove~/Library/Developer/Xcode/DerivedData

    Intermediate build products. Xcode rebuilds them on the next build.

  • Xcode caches

    Safe to remove~/Library/Caches/com.apple.dt.Xcode
  • Yarn (Berry) global cache

    Safe to remove~/.yarn/berry/cache
  • Yarn cache

    Safe to remove~/Library/Caches/Yarn
  • Android build-tools versions

    Review first~/Library/Android/sdk/build-tools

    Older build-tools. The two newest are kept; Gradle downloads a missing version when a project needs it.

  • Android emulators

    Review first~/.android/avd

    Each emulator disk image (3-15 GB). Unused ones can be recreated from Android Studio.

  • Android NDK versions

    Review first~/Library/Android/sdk/ndk

    Older NDK versions (1-3 GB each). The newest is kept; a project that pins an older one downloads it again.

  • Android SDK platforms (old API levels)

    Review first~/Library/Android/sdk/platforms

    SDK platforms for older API levels. The two highest are kept; a project targeting an older level downloads it again.

  • Android SDK sources

    Review first~/Library/Android/sdk/sources

    Framework source code used only for browsing in the IDE. The newest is kept; others can be downloaded again.

  • Android Studio settings from old versions

    Review first~/Library/Application Support/Google

    Settings, plugins and indexes left by previous Android Studio versions. The newest is kept.

  • Android system images

    Review first~/Library/Android/sdk/system-images

    System images used to create emulators. The SDK Manager can download them again.

  • Colima virtual machines

    Review first~/.colima

    Disks of Colima profiles, with their containers and images. Prune images first; delete a profile only if you no longer use it.

  • Conda environments (Anaconda)

    Review first~/anaconda3/envs

    Each Conda environment with its packages. Remove the ones you no longer use; they can be recreated from an environment file.

  • Conda environments (Miniconda)

    Review first~/miniconda3/envs

    Each Conda environment with its packages. Remove the ones you no longer use; they can be recreated from an environment file.

  • Conda environments (Miniforge)

    Review first~/miniforge3/envs

    Each Conda environment with its packages. Remove the ones you no longer use; they can be recreated from an environment file.

  • Cursor data for old workspaces

    Review first~/Library/Application Support/Cursor/User/workspaceStorage

    Per-folder state, including AI chat history, for folders not opened in 90 days. Not recoverable once deleted.

  • Cursor extensions

    Review first~/.cursor/extensions

    Installed extensions. Uninstall unused ones from Cursor; they can be reinstalled.

  • Docker Desktop disk image

    Review first~/Library/Containers/com.docker.docker/Data/vms

    Holds all images, containers and volumes. Prune, then reclaim space instead of deleting the file.

  • Homebrew packages

    Review first/opt/homebrew/Cellar

    Everything installed with Homebrew. MoreRoom only removes outdated versions and orphan dependencies, never the packages you use.

  • Homebrew packages (Intel)

    Review first/usr/local/Cellar

    Everything installed with Homebrew on an Intel Mac. MoreRoom only removes outdated versions and orphan dependencies, never the packages you use.

  • iOS simulator runtimes (downloaded images)

    Review first/System/Library/AssetsV2/com_apple_MobileAsset_iOSSimulatorRuntime

    Where recent Xcode versions actually store iOS simulator runtimes, 7-10 GB each. Removed through Xcode's runtime manager; can be downloaded again.

  • iOS simulators

    Review first~/Library/Developer/CoreSimulator/Devices

    Each simulated device with its apps and data. Unused ones can be deleted and recreated in Xcode.

  • Java JDKs (user)

    Review first~/Library/Java/JavaVirtualMachines

    JDKs installed by IntelliJ or Android Studio. Keep the versions your projects use.

  • Java versions (SDKMAN!)

    Review first~/.sdkman/candidates/java

    JDKs installed with SDKMAN!. Keep the default and the ones your projects use; others can be installed again.

  • JDKs downloaded by Gradle

    Review first~/.gradle/jdks

    Java toolchains Gradle provisioned automatically. Gradle downloads them again if a build needs one.

  • Lima virtual machines

    Review first~/.lima

    Each Lima instance with its disk. Its files are lost when deleted.

  • Nix store

    Review first/nix/store

    All Nix packages and old generations. Garbage collection removes only what no profile references any more.

  • Node.js versions (nvm)

    Review first~/.nvm/versions/node

    Each Node.js installed with nvm, with its global packages. The most recently used is kept; check .nvmrc files before removing others.

  • Node.js versions (Volta)

    Review first~/.volta/tools/image/node

    Node.js versions fetched by Volta. Volta downloads a removed version again when a project pins it.

  • OrbStack disk image

    Review first~/Library/Group Containers/HUAQ24HBR6.dev.orbstack/data

    Holds OrbStack's containers, images, volumes and Linux machines. Clean up from OrbStack; deleting the file loses all of them.

  • Other Xcode versions

    Review first/Applications

    Each Xcode is 12-40 GB. The most recently used copy is kept; older ones and betas can be downloaded again from Apple.

  • Podman machines

    Review first~/.local/share/containers/podman/machine

    Podman's Linux VM disks, with all images and containers inside. Prune from Podman rather than deleting the files.

  • Python versions (pyenv)

    Review first~/.pyenv/versions

    Each Python built by pyenv, with its packages. Check .python-version files before removing one.

  • Python versions (uv)

    Review first~/.local/share/uv/python

    Python interpreters downloaded by uv. The newest is kept; uv downloads a removed version again when a project asks for it.

  • Python virtual environments

    Review first…/.venv

    Python environment of a project not touched recently. Recreated from its requirements, but some setups are hard to rebuild: check first.

  • Python virtual environments (venv)

    Review first…/venv

    Python environment of a project not touched recently. Recreated from its requirements, but some setups are hard to rebuild: check first.

  • Rancher Desktop virtual machine

    Review first~/Library/Application Support/rancher-desktop/lima

    Rancher Desktop's VM disk with images and containers. Clean up from the app.

  • Ruby versions (rbenv)

    Review first~/.rbenv/versions

    Each Ruby built by rbenv, with its gems. Check .ruby-version files before removing one.

  • Rust toolchains

    Review first~/.rustup/toolchains

    Installed Rust toolchains (nightlies pile up). The most recently used is kept; rustup reinstalls a pinned toolchain when needed.

  • Simulator runtimes

    Review first/Library/Developer/CoreSimulator/Volumes

    Full iOS/watchOS/visionOS system images, 7-10 GB each. Keep the one you test on; Xcode can download others again.

  • Swift toolchains

    Review first~/Library/Developer/Toolchains

    Extra Swift compilers installed from swift.org (1-3 GB each). Keep the ones your projects select; others can be downloaded again.

  • Tart image cache

    Review first~/.tart/cache

    VM images pulled from registries. Tart pulls them again when needed (often 20-50 GB).

  • Vagrant boxes

    Review first~/.vagrant.d/boxes

    Base images Vagrant downloaded. Removed boxes download again on the next vagrant up.

  • VS Code data for old workspaces

    Review first~/Library/Application Support/Code/User/workspaceStorage

    Per-folder state (open tabs, extension data, AI chat history) for folders not opened in 90 days. Not recoverable once deleted.

  • VS Code extensions

    Review first~/.vscode/extensions

    Installed extensions, some with large language servers. Uninstall unused ones from VS Code; they can be reinstalled.

  • Parallels virtual machines

    Keep — your data~/Parallels

    Whole computers with your files inside. Offload to an external drive; never deleted automatically.

  • Tart virtual machines

    Keep — your data~/.tart/vms

    macOS and Linux VMs created with Tart. Their disks hold your changes; offload instead of deleting.

  • UTM virtual machines

    Keep — your data~/Library/Containers/com.utmapp.UTM/Data/Documents

    Whole computers with your files inside. Offload to an external drive; never deleted automatically.

  • Virtual machine and emulator disks

    Keep — your data*.qcow2, *.vmdk, *.vdi, *.vhd, *.vhdx

    Disks of virtual machines found outside known VM apps. They hold whole systems and files: offload, never deleted automatically.

  • VirtualBox virtual machines

    Keep — your data~/VirtualBox VMs

    Whole computers with your files inside. Offload to an external drive; never deleted automatically.

  • VMware Fusion virtual machines

    Keep — your data~/Virtual Machines.localized

    Whole computers with your files inside. Offload to an external drive; never deleted automatically.

  • Xcode archives

    Keep — your data~/Library/Developer/Xcode/Archives

    Signed builds you shipped. Needed to read crash reports: offload instead of deleting.

  • Claude Code versions (desktop app)

    Safe to remove~/Library/Application Support/Claude/claude-code
  • Hugging Face download cache (Xet)

    Safe to remove~/.cache/huggingface/xet

    Chunks kept to speed up later downloads. Downloaded models stay intact.

  • Chrome on-device AI model (Gemini Nano)

    Review first~/Library/Application Support/Google/Chrome/OptGuideOnDeviceModel

    A model Chrome downloads for its built-in AI features. Deleted, it comes back unless on-device AI is turned off in Chrome.

  • Claude Code history

    Review first*.jsonl

    Old session transcripts. Recent sessions and each project's memory files are never touched.

  • Claude desktop sandbox VM

    Review first~/Library/Application Support/Claude/vm_bundles

    The virtual machine Claude uses to run code (about 10 GB). Claude recreates it the next time it is needed, which takes a few minutes.

  • Codex CLI history

    Review first~/.codex/sessions

    Old session transcripts, grouped by year. Recent sessions are never touched; deleted ones cannot be resumed.

  • ComfyUI models

    Review first~/Documents/ComfyUI/models

    Checkpoints, LoRAs and other models, by type. Most can be downloaded again but some are hard to find: offload rather than delete.

  • ComfyUI models

    Review first~/ComfyUI/models

    Checkpoints, LoRAs and other models, by type. Most can be downloaded again but some are hard to find: offload rather than delete.

  • Draw Things models

    Review first~/Library/Containers/com.liuliu.draw-things/Data/Documents/Models

    Image models downloaded in Draw Things. They can be downloaded again from the app.

  • Gemini CLI history

    Review first~/.gemini/tmp

    Per-project chat checkpoints and logs. Recent ones are never touched; deleted ones cannot be resumed.

  • GPT4All models

    Review first~/Library/Application Support/nomic.ai/GPT4All

    Downloaded language models. GPT4All can download them again.

  • Hugging Face datasets

    Review first~/.cache/huggingface/hub

    Datasets downloaded through the Hugging Face hub. They download again when a script needs them.

  • Hugging Face models

    Review first~/.cache/huggingface/hub

    Models downloaded by Python tools and apps. They download again the next time a script needs them.

  • Hugging Face processed datasets

    Review first~/.cache/huggingface/datasets

    Datasets converted by the datasets library. Rebuilt from the hub when a script loads them again.

  • Jan models and data

    Review first~/Library/Application Support/Jan/data

    Jan's downloaded models and your conversations. Remove models from Jan; conversations are not recoverable.

  • Keras model cache

    Review first~/.keras/models

    Pretrained weights downloaded by Keras. They download again on next use.

  • LM Studio models

    Review first~/.lmstudio/models

    Downloaded models, grouped by publisher. They can be downloaded again from LM Studio.

  • MacWhisper models

    Review first~/Library/Application Support/MacWhisper/models

    Transcription models downloaded by MacWhisper. They can be downloaded again from its settings.

  • Ollama models

    Review first~/.ollama/models

    Local language models (2-70 GB each). Remove the ones you don't use; ollama pull downloads them again.

  • Pinokio apps

    Review first~/pinokio/api

    Each AI app installed by Pinokio with its environment and models (often 10-50 GB). Reinstallable, but outputs inside an app folder are yours.

  • PyTorch model cache

    Review first~/.cache/torch

    Pretrained weights downloaded by PyTorch. They download again when a script needs them.

  • Whisper models

    Review first~/.cache/whisper

    Speech recognition models downloaded by openai-whisper. They download again on next use.

  • AI model files

    Keep — your data*.gguf, *.safetensors, *.ckpt, *.pth, *.pt, *.onnx, *.keras

    Large model weights found outside the tools MoreRoom knows. Often re-downloadable, sometimes your own training: offload rather than delete.

  • ComfyUI generated images

    Keep — your data~/Documents/ComfyUI/output

    Everything you generated. Your work: offload or archive, never deleted automatically.

  • ComfyUI generated images

    Keep — your data~/ComfyUI/output

    Everything you generated. Your work: offload or archive, never deleted automatically.

  • App caches

    Safe to remove~/Library/Caches

    Temporary data apps rebuild. Some come back quickly; MoreRoom tracks that.

  • App compiled code caches (Electron apps)

    Safe to remove…/Code Cache
  • App web caches (Electron apps)

    Safe to remove…/Cache

    Web cache of apps built on Chromium (Notion, Figma, Teams, Discord, Postman…). Rebuilt on next launch; quit the app first.

  • Downloaded app updates (ShipIt)

    Safe to remove~/Library/Caches

    Update packages left by apps such as VS Code, Slack or Claude. Removed safely; an app downloads its next update again.

  • Logs and crash reports

    Safe to remove~/Library/Logs
  • macOS installers

    Safe to remove/Applications
  • System crash reports

    Safe to remove/Library/Logs/DiagnosticReports
  • Video wallpapers (Aerials)

    Safe to remove/Library/Application Support/com.apple.idleassetsd/Customer
  • Trash

    Review first~/.Trash

    Files you already deleted. Emptying the Trash is permanent.

  • Apple Intelligence models

    Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_UAF_FM_GenerativeModels

    System models used by Apple Intelligence. macOS manages them; they cannot be removed while Apple Intelligence is on.

  • Dictation and speech recognition models

    Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_UAF_Speech_AutomaticSpeechRecognition

    On-device dictation models, one per language. macOS manages them.

  • Downloaded macOS update

    Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_MacSoftwareUpdate

    An update macOS has prepared. It is removed once installed; MoreRoom cannot delete it.

  • Downloaded system voices

    Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_VoiceServices_CombinedVocalizerVoices

    Voices for Spoken Content and VoiceOver. Remove them in System Settings > Accessibility > Spoken Content > System voice > Manage Voices.

  • Downloaded voices (MacinTalk)

    Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_MacinTalkVoiceAssets

    Additional speech voices. Managed in Accessibility > Spoken Content.

  • Siri voice

    Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_UAF_Siri_TextToSpeech

    Voices used by Siri. macOS manages them; they cannot be removed while Siri is on.

  • Spotlight index

    Keep — your data/System/Volumes/Data/.Spotlight-V100

    The search index. If it is unusually large, rebuild it by adding and removing your disk in Spotlight privacy settings.

  • Swap and sleep image

    Keep — your data/System/Volumes/VM

    Memory macOS writes to disk. It shrinks after a restart and cannot be deleted.

  • Arc cache

    Safe to remove~/Library/Caches/Arc
  • Brave cache

    Safe to remove~/Library/Caches/BraveSoftware
  • Chrome cache

    Safe to remove~/Library/Caches/Google/Chrome

    Web cache of every Chrome profile. Rebuilt as you browse; tabs, passwords and history are elsewhere.

  • Chrome profile snapshots

    Safe to remove~/Library/Application Support/Google/Chrome/Snapshots

    Copies of your profile taken before Chrome updates, used only to roll back.

  • Discord cache

    Safe to remove~/Library/Application Support/discord/Cache
  • Firefox cache

    Safe to remove~/Library/Caches/Firefox
  • Google updater downloads

    Safe to remove~/Library/Application Support/Google/GoogleUpdater/crx_cache
  • iOS software updates (IPSW)

    Safe to remove~/Library/iTunes/iPhone Software Updates
  • iPadOS software updates (IPSW)

    Safe to remove~/Library/iTunes/iPad Software Updates
  • Mail attachments opened

    Safe to remove~/Library/Containers/com.apple.mail/Data/Library/Mail Downloads

    Copies made when you open an attachment. The original stays in the message.

  • Microsoft Edge cache

    Safe to remove~/Library/Caches/Microsoft Edge
  • Microsoft Excel cache

    Safe to remove~/Library/Containers/com.microsoft.Excel/Data/Library/Caches
  • Microsoft Outlook cache

    Safe to remove~/Library/Containers/com.microsoft.Outlook/Data/Library/Caches
  • Microsoft PowerPoint cache

    Safe to remove~/Library/Containers/com.microsoft.Powerpoint/Data/Library/Caches
  • Microsoft Teams cache

    Safe to remove~/Library/Containers/com.microsoft.teams2/Data/Library/Caches
  • Microsoft Word cache

    Safe to remove~/Library/Containers/com.microsoft.Word/Data/Library/Caches
  • Opera cache

    Safe to remove~/Library/Caches/com.operasoftware.Opera
  • Other Google caches

    Safe to remove~/Library/Caches/Google
  • Safari cache

    Safe to remove~/Library/Caches/com.apple.Safari
  • Slack cache

    Safe to remove~/Library/Application Support/Slack/Cache
  • Slack cache (App Store version)

    Safe to remove~/Library/Containers/com.tinyspeck.slackmacgap/Data/Library/Application Support/Slack/Cache
  • Slack offline cache

    Safe to remove~/Library/Application Support/Slack/Service Worker/CacheStorage
  • Spotify offline and cache storage

    Safe to remove~/Library/Application Support/Spotify/PersistentCache

    Cached and downloaded songs. Spotify downloads them again when needed.

  • Vivaldi cache

    Safe to remove~/Library/Caches/Vivaldi
  • iPhone and iPad backups

    Review first~/Library/Application Support/MobileSync/Backup

    Full device backups, one folder per device. Keep the latest of each device or offload; deleted backups cannot be restored.

  • Podcasts downloads

    Review first~/Library/Group Containers/243LU875E5.groups.com.apple.podcasts

    Downloaded episodes. Played ones can be removed from Podcasts and streamed again.

  • Telegram Desktop data

    Review first~/Library/Application Support/Telegram Desktop

    Mostly cached media, plus your session. Clear the cache from the app; deleting the folder signs you out.

  • Telegram media cache

    Review first~/Library/Group Containers/6N38VWS5BX.ru.keepcoder.Telegram

    Telegram's whole data folder: cached media, but also your login session and secret chats. Clear the media from Telegram itself.

  • Cloud drives (local copies)

    Keep — your data~/Library/CloudStorage

    Dropbox, Google Drive, OneDrive and others. Make files online-only; they stay in the cloud.

  • Dropbox folder (local copies)

    Keep — your data~/Dropbox

    Files synced by Dropbox. Make them online-only; they stay in Dropbox.

  • iCloud Drive (local copies)

    Keep — your data~/Library/Mobile Documents

    Files kept on this Mac that are also in iCloud. Free the local copy; the file stays in iCloud and downloads again when opened.

  • Mail mailboxes

    Keep — your data~/Library/Mail

    Your local copy of every mailbox. Never deleted by MoreRoom.

  • Messages attachments

    Keep — your data~/Library/Messages/Attachments

    Photos, videos and files from your conversations. Review the largest ones in macOS storage settings; never deleted by MoreRoom.

  • Outlook mailboxes

    Keep — your data~/Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles

    Your local copy of mail, calendars and attachments. Never deleted by MoreRoom.

  • Signal attachments

    Keep — your data~/Library/Application Support/Signal/attachments.noindex

    Photos, videos and files from your Signal chats. Delete them from conversations in Signal; never deleted by MoreRoom.

  • TV app media

    Keep — your data~/Movies/TV

    Downloaded movies and shows, plus any home videos you imported. Remove purchased downloads from TV; they can be downloaded again.

  • WhatsApp messages and media

    Keep — your data~/Library/Group Containers/group.net.whatsapp.WhatsApp.shared

    Your conversations and received photos and videos. Review large chats from WhatsApp; never deleted by MoreRoom.

  • Zoom local recordings

    Keep — your data~/Documents/Zoom

    Meetings you recorded. Your files: offload or archive, never deleted automatically.

  • Adobe app caches (After Effects disk cache…)

    Safe to remove~/Library/Caches/Adobe

    Disk caches of After Effects, Photoshop and other Adobe apps. Rebuilt as you work.

  • Adobe media cache database

    Safe to remove~/Library/Application Support/Adobe/Common/Media Cache
  • Adobe media cache files

    Safe to remove~/Library/Application Support/Adobe/Common/Media Cache Files

    Conformed audio and peak files from Premiere Pro and After Effects. Rebuilt when media is opened again.

  • DaVinci Resolve render cache (CacheClip)

    Safe to remove…/CacheClip

    Render and optimized-media cache. Resolve rebuilds it when the timeline plays.

  • Lightroom Classic previews

    Safe to remove~/Pictures/Lightroom

    Thumbnails and previews of the catalog. Lightroom rebuilds them as you browse.

  • Premiere Pro audio previews

    Safe to remove…/Adobe Premiere Pro Audio Previews

    Rendered audio previews. Premiere renders them again when needed.

  • Premiere Pro video previews

    Safe to remove…/Adobe Premiere Pro Video Previews

    Rendered timeline previews. Premiere renders them again when needed.

  • Ableton Live packs

    Review first~/Music/Ableton/Factory Packs

    Instrument and sample packs installed by Ableton Live. Can be downloaded again from your Ableton account.

  • Apple Loops

    Review first/Library/Audio/Apple Loops

    Loops shared by Logic Pro and GarageBand. Managed by the Sound Library Manager; downloadable again.

  • Blender settings from old versions

    Review first~/Library/Application Support/Blender

    Preferences and add-ons left by previous Blender versions. The newest is kept.

  • DaVinci Resolve proxy media

    Review first…/ProxyMedia

    Lightweight copies of your footage for smooth editing. Regenerating them takes time; originals are untouched.

  • GarageBand sound library

    Review first/Library/Application Support/GarageBand

    Instruments and lessons downloaded by GarageBand. Downloadable again from the app.

  • Lightroom Classic smart previews

    Review first~/Pictures/Lightroom

    Let you edit photos while the originals are offline. Lightroom rebuilds them only if the originals are connected.

  • Logic Pro sound library

    Review first/Library/Application Support/Logic

    Instruments, loops and samples (up to 70 GB). Can be moved to an external drive or reduced from Logic; downloadable again.

  • Camera RAW video files

    Keep — your data*.braw, *.r3d, *.ari, *.crm, *.mxf

    Original footage from cinema cameras. Your media: offload to an external drive, never deleted.

  • Final Cut Pro libraries

    Keep — your data~/Movies

    Your projects and media. Render, proxy and optimized files inside can be deleted from Final Cut and are recreated when needed.

  • iMovie libraries

    Keep — your data~/Movies

    Your iMovie projects and media. Render files inside can be deleted from iMovie and are recreated.

  • Photos libraries

    Keep — your data~/Pictures

    Your photos and videos. Offload, or turn on Optimize Mac Storage in Photos > Settings > iCloud. Never deleted.

  • Very large videos

    Keep — your data*.mov, *.mp4, *.m4v, *.mkv

    Videos over 2 GB, such as screen recordings and camera footage. Your files: offload, never deleted.

  • Godot project caches (.godot)

    Safe to remove…/.godot

    Imported assets and editor state. Godot re-imports everything when the project is opened.

  • Steam app cache

    Safe to remove~/Library/Application Support/Steam/appcache
  • Steam shader cache

    Safe to remove~/Library/Application Support/Steam/steamapps/shadercache
  • Unity caches

    Safe to remove~/Library/Unity/cache
  • Unity project Library folders

    Safe to remove…/Library

    Imported assets cache. Unity rebuilds it when the project is opened (can take a while).

  • Unreal Engine shared cache (DDC)

    Safe to remove~/Library/Application Support/Epic/UnrealEngine/Common/DerivedDataCache

    Compiled shaders and cooked assets. Unreal rebuilds them when a project is opened (can take a while).

  • Epic Games games

    Review first/Users/Shared/Epic Games

    Installed games. Saves are usually in the cloud or elsewhere; games can be downloaded again.

  • Epic Games Launcher data

    Review first~/Library/Application Support/Epic/EpicGamesLauncher

    The launcher's own data and web cache. It downloads what it needs again after signing in.

  • Epic Vault cache (Fab and Marketplace downloads)

    Review first/Users/Shared/UnrealEngine/Launcher/VaultCache

    Asset packs downloaded before being added to projects. Assets already in projects are not affected.

  • Heroic games (Epic, GOG, Amazon)

    Review first~/Games/Heroic

    Games installed by the Heroic launcher. They can be downloaded again.

  • Minecraft game versions

    Review first~/Library/Application Support/minecraft/versions

    Game versions and mod loaders. The launcher downloads a removed version again when a profile needs it.

  • Steam games

    Review first~/Library/Application Support/Steam/steamapps/common

    Installed games. Steam Cloud keeps most saves; games can be downloaded again or moved to another library folder.

  • Unity Asset Store downloads

    Review first~/Library/Unity/Asset Store-5.x

    Packages downloaded from the Asset Store. Already-imported assets stay in your projects; packages can be downloaded again.

  • Unity editors

    Review first/Applications/Unity/Hub/Editor

    Each installed Unity version with its platform modules. Keep the versions your projects use.

  • Unreal Engine versions

    Review first/Users/Shared/Epic Games

    Each installed engine is 30-60 GB. Keep the versions your projects use; others can be installed again from the launcher.

  • Unreal Engine Zen cache

    Review first~/Library/Application Support/Epic/UnrealEngine/Common/Zen

    The local cache server's storage. Quit Unreal first; it is rebuilt, but the next project opening is slow.

  • CrossOver bottles

    Keep — your data~/Library/Application Support/CrossOver/Bottles

    Windows environments with installed apps, settings and game saves. Export or offload before removing one.

  • Heroic Wine prefixes

    Keep — your data~/Games/Heroic/Prefixes

    Windows environments that hold settings and game saves. Remove one only after its game is uninstalled and saves are synced.

  • Minecraft worlds

    Keep — your data~/Library/Application Support/minecraft/saves

    Your worlds. Offload or back up, never deleted automatically.

  • Whisky bottles

    Keep — your data~/Library/Containers/com.isaacmarovitz.Whisky/Bottles

    Windows environments with installed games and their saves. Export or offload before removing one.

  • Large archives

    Review first*.zip, *.7z, *.rar, *.tar, *.gz, *.tgz, *.bz2, *.xz, *.zst

    Archives over 1 GB. Often already extracted, but some are your only copy of a backup: open before deleting, or offload.

  • Large disk images and installers

    Review first*.dmg, *.iso, *.img, *.xip, *.pkg

    Installers and disk images outside Downloads. Usually not needed once installed, but a .dmg can also be an encrypted volume with your files: check first.

  • Old archives in Downloads (.zip)

    Review first~/Downloads

    Archives downloaded more than 30 days ago. Often already extracted next to them; check before deleting.

  • Old disc images in Downloads (.iso)

    Review first~/Downloads

    Operating system or disc images downloaded more than 30 days ago. Check that no virtual machine still uses them.

  • Old disk images in Downloads (.dmg)

    Review first~/Downloads

    Installers you downloaded more than 30 days ago. Usually already installed; check before deleting.

  • Old firmware files in Downloads (.ipsw)

    Review first~/Downloads

    iOS or macOS restore images (5-15 GB). They can be downloaded again from Apple.

  • Old installer packages in Downloads (.pkg)

    Review first~/Downloads

    Installer packages downloaded more than 30 days ago. Usually already installed; check before deleting.

  • Old Xcode archives in Downloads (.xip)

    Review first~/Downloads

    Xcode downloads (7-15 GB each). Once Xcode is installed, the .xip is no longer needed.