Deleting the backup Zotero Database

I recently migrated from Zotero for Firefox to Zotero 5+. While I used Zotero for Firefox, my data directory had only three database files: zotero.sqlite, zotero.sqlite.bak and zotero.sqlite.1.bak.

However, after the shift to Zotero 5+, I see there is a zotero.sqlite.77.bak as well. I am assuming it is a copy of the old database. Now that I have successfully migrated to Zotero 5, and the database is fine, is it safe to delete: zotero.sqlite.77.bak?
  • zotero.sqlite.77.bak is the backup of the Zotero 4.0 database. If you feel comfortable with your Zotero 5.0 setup working, you can delete this file (though it never hurts to keep a backup around just in case).
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