If you get the This Workbook contains links to one or more external sources that could be unsafe warning prompt when opening an Excel file, use the below solutions to fix the error: Check external ...

If you use Microsoft Excel at all to make and edit spreadsheets, you have probably heard of Excel worksheets and workbooks. An Excel workbook is an Excel file that can contain multiple, somewhat ...

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.

Enter the password and note it in a secure place. How to password protect an Excel workbook Your email has been sent At the file level, you can password protect an ...

How to copy an Excel sheet into a new workbook Your email has been sent Copying or moving data is a common task for users in Excel workbooks. Copying data from one worksheet to another within the same ...

Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a million rows. As a result, they can significantly slow your workbook's ...