The file command can tell you if the file format is v1 or v2: $ file test.kdb test.kdb: Keepass password database 1.x KDB, 11 groups, 12 entries, AES, 6000 key transformation rounds
$ file test.kdbx test.kdbx: Keepass password database 2.x KDBX -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874161 Title: kpcli is unable to open a kdbx file if the file is locked by both a password and a key file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kpcli/+bug/1874161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs