Remember that once you protect the Excel file, you cannot open it without entering the password. Make sure you remember the password and store it in a safe place as a backup. Method 1: Using Excel ...

Excel allows you to lock specific areas of a sheet with a password or protect the entire workbook. You can also set an Excel ...

How to Open an XLS File in Excel. XLS files are Excel workbook files created in Excel 97... You can lock a cell or range of cells by selecting the cells and then choosing the "Locked" option from ...

Normally, when users open these files Excel properly handles the data ... came from another computer and might be blocked to help protect this computer.” warning. After doing this, the ...

Some Office users have recently experienced “Unknown error trying to lock file” while using Office apps like Excel, Teams, OneDrive, PowerPoint, etc. It’s even ...

So if you decide to protect any of your Excel files with ... anyone with access to your Excel file can open, view, and edit it. If you've decided a password isn't necessary anymore, this likely ...

The easiest way to protect a large ... you can try the VeraCrypt open source download. Excel also allows you to apply more customized security options to your file if necessary.