@Joe Romanowski
Hi,
You could access the external drive w/File Manager. Then just copy the files back.
Here are some posts with the similar issue with yours, just for your reference, you can try the method mentioned in them:
https://social.microsoft.com/Forums/en-US/5855e824-3ba3-4f0c-9f47-cee30887616e/copy-restore-synctoy-dat-files?forum=synctoy
Hope above information can help you.
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