Online storage providers supported by KeePassium

Box full support
Cryptomator manual sync only
Dropbox full support
Fritz!NAS read-only access, fails on saving
Google Drive full support, but no offline sync
iCloud Drive full support
MagentaCloud manual sync only
MEGA.nz manual sync only
Nextcloud generally works, but with issues
OneDrive full support
ownCloud untested, might work
pCloud full support
QNAP NAS generally works via Qfile app (caching issues)
full support via SMB (but no offline access)
should work via WebDAV, untested
Resilio Sync generally works, but with issues
Sandisk iXpand drive manual sync only
SFTP full support with a third-party app
SMB network shares full support (iOS 13+), but no offline access
SSH mounts reported to work via Secure ShellFish (offline access unstable)
Sync.com one-way sync (does not upload changes automatically)
Syncthing reported to work via Mobius Sync, more feedback needed
Synology NAS original Synology apps generally work, but there are known issues
full support via SMB (but no offline access)
full support via WebDAV
Tresorit works, but Tresorit app should be opened for synchronization
USB flash drives full support (iOS 13+)
WebDAV full support with a third-party app
WD MyCloud original WD app: manual sync only
should work via WebDAV
Yandex.Disk original Yandex.Disk app: manual sync only
generally works via WebDAV

Last Updated: 2021-05-26