• I deleted Goodnotes and reinstalled it, and some or all of my notebooks are lost or inaccessible (greyed-out)
• Data Health Check on Windows: What it is and when to run it
• [Android, Windows, and Web] I have accidentally deleted or lost my notes, can they be recovered?
• I can't import files from a cloud storage because of a "Content Unavailable" error
• Google Drive login window doesn't stay open for Auto Backup sign-in
• Error appears when Exporting in .goodnotes format or during Manual Backup