What is the best practice If I want to have 2 or more copies of files?

[Michael]

Hi.
I recommend a 3-2-1 backup strategy.
See here (or many other sites) as explanation.

What is the 3-2-1 Backup Strategy? - 2024 Guide by Acronis

Please keep in mind that cryptomator is not a backup solution. You’ll need to find a backup solution that fits your needs.
I am using this since years now:

What tool do you use to automatically unlock your cryptomator vault and sync the files in your vault with the local copies of those files?

I use PersonalBackup to do this job. http://personal-backup.rathlev-home.de/ You can configure it to start cryptomator before syncing and wait a view seconds. Then it starts syncing into the open vault. You can also configure to start an app after sync is done. I use it to start my OneDrive client, which then syncs the encrypted files to online storage. And in addition, you can set up an scheduled task for the complete backup job. So in my case every two days the following happens automati…