MS Excel: Sharing Violation error
MS Excel: Sharing Violation Error When Saving Excel Workbook
"Your changes could not be saved to 'FileName' because of a sharing violation" error message
Error "changes could not be saved ... because of a sharing violation"

choose properties. Click the "advanced" button near the bottom. Uncheck the "allow indexing" box.

everyone advanced
Confirm the permissions for all users. Make sure all users have read, write and delete permission.

1. Check if you have enabled the Protect and Share Workbook option in Excel. If yes, please turn off this option and check the result.