Guides

Can I delete this folder? Plain answers, what you lose, and how to clean it by hand or with Gigabroom.

Finder

FolderSafe to delete?Typical size
~/Downloads/*.dmgRebuilds itself50 MB–1 GB each
~/Library/Application Support/MobileSync/BackupCheck firstSeveral GB to over 100 GB per device
~/Library/iTunes/iPhone Software UpdatesRebuilds itselfSeveral GB per file

macOS

FolderSafe to delete?Typical size
~/Library/CachesCheck first1–20 GB

Mail

FolderSafe to delete?Typical size
~/Library/Containers/com.apple.mail/Data/Library/Mail DownloadsCheck firstTens of MB to a few GB

Messages

FolderSafe to delete?Typical size
~/Library/Messages/AttachmentsKeep1–50 GB

Spotify

FolderSafe to delete?Typical size
~/Library/Application Support/Spotify/PersistentCacheRebuilds itself1–10 GB; more with many offline downloads

Telegram

FolderSafe to delete?Typical size
~/Library/Group Containers/6N38VWS5BX.ru.keepcoder.Telegram/appstore/*/postbox/mediaRebuilds itself1–20 GB; more with busy groups and channels

WhatsApp

FolderSafe to delete?Typical size
~/Library/Group Containers/group.net.whatsapp.WhatsApp.shared/Message/MediaCheck first1–20 GB; more with busy group chats

Xcode

FolderSafe to delete?Typical size
~/Library/Developer/Xcode/DerivedDataRebuilds itself5–40 GB