If you see the “The file couldn’t open in protected view” error while opening Microsoft Excel, the solutions listed in this post may help you resolve the issue ...

This is User-Initiated Safe Mode. To open Office programs like Word, Excel, PowerPoint, Outlook, Publisher, Visio in Safe Mode follow these steps: How to open Word in safe mode? To start Word in ...

Open Word, Excel, or PowerPoint ... If you try to open a file from a location controlled by Protected View, the file opens in Read-Only Mode. You’ll see a message telling you that the file ...

Step 1: In Excel, open the document you want to secure with a password. Now that you’ve password-protected your most essential files, it might be worth considering adding extra layers of ...

When you create a new Excel workbook, all the cells in each worksheet are locked, but the worksheet is in unprotected mode so that you can make changes. When you put a worksheet in protected mode ...

After the security updates Excel no longer will open the workbook because these files are not compatible with Protected View and there is no warning or other indication it was not opened.