I am running macOS Sierra (10.12) and I lost a backup I made in May 2019. I am not sure if it was encrypted or not.

Is there a way to find out if it was encrypted? Is that logged somewhere in the macOS?

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It might be worth checking in the prefs... System prefs > Time Machine > Select Disk...

If the drive is remembered in there it should say below whether backups are encrypted or not. [I can't test for a missing drive, it shows for mine in situ, even without the actual drive selected.]

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  • The USB Drive is not visible there anymore :-( any other ideas? – Peter Schreiner Jul 12 at 16:06
  • Sorry, no - that was all I had. – Tetsujin Jul 12 at 16:06
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    So basically, the USB hard drive is missing—stolen, misplace, lost, etc…—and you want to confirm if it was encrypted via your system’s current OS? – JakeGould Jul 12 at 17:56

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