icloudmailagent
~/Library/Caches/icloudmailagent stores temporary cache data used by Apple iCloud Mail background activity on a Mac.
What is icloudmailagent?
icloudmailagent is a macOS background component associated with iCloud Mail activity. The folder at ~/Library/Caches/icloudmailagent stores temporary cached data that helps Mail-related background work run more efficiently, such as refreshing mailbox content and handling iCloud Mail activity without downloading everything again each time. Users may encounter this folder when reviewing storage usage or cleaning Library cache files. Because this is cache data, its contents are not the primary copy of your email. If the folder is removed, macOS or the related mail process can recreate it later as needed during normal use.
Review files before deleting with diCleaner
Inspect caches, support files, folders, and related data before deleting items on Mac.
Safety overview
Status: Mostly safe
This folder contains cache data, so removing it is generally lower risk than deleting Mail data stored elsewhere. The main precaution is that iCloud Mail or related background activity may need to rebuild the cache, which can temporarily slow syncing or cause extra network activity. If you use iCloud Mail regularly, keep the folder unless you are troubleshooting storage or sync issues. Because this item is tied to Apple mail syncing behavior, repeated re-creation after deletion is normal.
Recommendation: You can remove this folder if you need to clear temporary Mail cache data or troubleshoot iCloud Mail behavior, but expect macOS to recreate it. Leave it in place if Mail and iCloud syncing work normally and you do not need the disk space savings from clearing caches.
File path
~/Library/Caches/icloudmailagent
Share your experience
Be the first to share your experience.