At the file level, you can password protect an Excel workbook in two ways: You can determine who can get in and who can save changes.

Microsoft today announced that it is bringing support for linking data from multiple online workbooks for Excel on the web. However, the files must be stored in OneDrive or SharePoint.

Once the final version of your Excel workbook or Microsoft 365’s version of Excel Workbook is complete you might want to stop or turn off the workbook sharing in Excel to avert any unwanted changes.

Sending Excel files containing crucial financial and business data has risks. To add a layer of protection, you should learn to password protect an Excel file.