Open files or running app

If I start a backup and the file(s) to be backup up are OPEN, is there a way to have Duplicati ask me to close the running app?

Hopefully my ask was clearly stated :grinning:

No, but you can look at using snapshots. This allows Duplicati to back up open/locked files. Check out the –snapshot-policy option. Note that it requires running Duplicati with elevated rights.