Now we need to change all duplicate values to null. In other words, after grouping by the first two fields (or one of them), only the first record in the group remains unchanged, and the first two ...

How to Remove Duplicate Apps on iPhone Long press on a blank part of your Home Screen until it enters jiggle mode. Tap the minus icon on the top left of the duplicate icon.

If your Spotify playlists are plagued by many duplicates, use one of these methods to quickly remove the duplicate and clean up your playlist.

Microsoft Excel is perhaps the most powerful spreadsheet application you can buy. But it also has some simple functions, like finding duplicates in data.

You can easily delete duplicate contacts on your iPhone and other Apple devices. This guide will walk you through deleting duplicates on your iPhone or Mac, as well iCloud.com and Gmail.

Instead of manually removing duplicates from your spreadsheet, Excel has a tool that can remove them for you within seconds.

We show you how to find duplicates in Excel and remove duplicate rows via three methods: the duplicate remover, find and replace, and filters.

Got lots of duplicate photos on your Android phone? Here's how you can delete them quickly and easily.

Want to know how to remove duplicates using VLOOKUP in Excel? Our in-depth guide is here to help you learn everything about it.

To remove duplicate Windows Firewall rules on your Windows PC, use a script or do it manually. This post explains these two methods.