1. Click on the toolbar "file" → option
2. Select "Trust Center" in the Excel option and click "Trust Center Settings"
3. After entering the Trust Center, click on "Personal Information options" and then in "Document specific settings" Make sure that the "Remove personal information from file properties when saving" is removed from the previous check.
4. Then we can click on the "Document Inspector"
Select personal Information options in the Document Inspector to remove the check in front of the document properties and personal information. This "Privacy issue warning" problem is resolved.