TidyMacus.zoom.xos is Zoom’s app ID. Folders with that name hold Zoom’s settings, cached meeting data and sometimes local recordings. If Zoom is still installed, clear its cache from inside Zoom instead. If you uninstalled Zoom, these folders are leftovers; check for recordings, then remove them.
Location: ~/Library/Application Support/zoom.us · ~/Library/Caches/us.zoom.xos
What’s inside
- Settings and sign-in state
- Cached avatars and meeting data
- Local recordings (if you record to this Mac, they usually go to ~/Documents/Zoom)
If Zoom is installed
Quit Zoom, then delete the contents of ~/Library/Caches/us.zoom.xos. Your settings stay.
If you uninstalled Zoom
Check ~/Documents/Zoom for recordings you want, then move ~/Library/Application Support/zoom.us and ~/Library/Caches/us.zoom.xos to the Trash.
Find every folder like this on your Mac
TidyMac lists big folders outside its library, checks which app owns each one and whether that app is still installed, and explains it.
Frequently asked questions
Can I delete us.zoom.xos?
Check first: This may be the only copy of something. Look at the details before removing. us.zoom.xos is Zoom’s app ID. Folders with that name hold Zoom’s settings, cached meeting data and sometimes local recordings. If Zoom is still installed, clear its cache from inside Zoom instead. If you uninstalled Zoom, these folders are leftovers; check for recordings, then remove them.
Where is us.zoom.xos on my Mac?
~/Library/Application Support/zoom.us · ~/Library/Caches/us.zoom.xos. In Finder choose Go › Go to Folder and paste the path.
How big does us.zoom.xos get?
Usually 200 MB – 5 GB.