This tutorial shows you how to fix and remove #DIV/0! error in Microsoft Excel by using the IFERROR or ISERROR function.

If your spreadsheet has a lot of unwanted duplicate values, you're not stuck with them. You can remove them. We'll show you how to remove duplicates in Excel.

If your source data is in Excel and has duplicates, run Power Query to remove those duplicates before running a Word mail merge.