How to filter for duplicate records in Excel Perhaps the easiest way to find duplicates is to use Excel’s advanced filter. It’s flexible and can easily find duplicate rows.

If Developer tab in Microsoft Office is missing, you can add Developer tab in Word, Excel, etc. via Settings, Group Policy, Registry Editor.

Excel Add-Ins are applications written by independent programmers that provide enhanced capabilities for the primary software. Here's how to install, manage, and choose the best Add-Ins available.