[Urgent] Corrupted file. Cannot open

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Principle Version: 5.9
macOS Version: 10.15
Sketch Version:
Description of what you need help with:

I cannot open a recent file.

Steps to reproduce the behavior:

Screenshots/Sketch File/Principle file: (if applicable)

Unfortunately there isn’t really anything that can be done for corrupted files - if the data got scrambled, there isn’t a way to know how to unscramble it. This can happen to files stored/transferred in an auto-synced folder like Dropbox or Google Drive. Is is possible your file was stored in a service like that?