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.

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.

If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.

If a user inadvertently changes the formulas in your Excel workbooks, all your hard work could go out the window. This ebook explains how to protect and hide those formulas so they remain safe and ...