Somewhat maybe ‘hidden’, less-known, less thought of, locations, where lots of and/or big files can hide.
| Folder | E.g. size | Comments |
| $HOME/Library/Application Support/ | 181 GB !! | MobileSync/Backup/ – iPhone backups(?) |
| $HOME/Library/Caches/ | 4.9 GB | Not sure …. |
| $HOME/Library/Containers/ | 8.9 GB | Any use of Docker? (com.docker.docker), com.apple.mail |
| $HOME/Library/Developer/ | 6.5 GB | Doc, tools support. Not very much to do about w/o messing with dev env. |
| $HOME/Library/Mail/ | 1.3 GB | (Mail/V7/) Don’t use Mail.app as repository, mail is a transportation mechanism… |
| $HOME/Library/Messages/ | 1.7 GB | (Attachments/ Like email/Mail.app, don’t use Messages.app as repository, SMS/iMessage is transportation mechanisms… |
| $HOME/Library/Thunderbird/ | 6.3 GB | As any other email application, view not as repository but transportation mechanism/technology. |