Clone Rewind Database to Safely Delete Rewind App

Currently, you are already able to delete the Rewind app from the applications folder and it will not delete your rewind database.

The database lives in ~/Library/Application Support/com.memoryvault.MemoryVault

if you want to open to the folder, run this exact command after opening terminal:

open ~/Library/Application\ Support/com.memoryvault.MemoryVault

You can clone this folder and move it somewhere else if you wish, or you can keep it put, and retrace will be able to read that folder

As for External drive support: This also currently exists in the settings!

Refer to the picture below, you can see how you can choose the location of your folders