Not all sorts in Excel are alphabetical. Sometimes, you need to sort by an irregular set of terms, and when that happens, you need to create a custom sort. Here's how.

Sorting is one of Microsoft Excel's easiest tasks. Click; you're done! At least until you need to sort by multiple columns. For this sort task, you'll need a custom sort. Here's how.

You can convert JSON files to Microsoft Excel CSV file formats using this hidden built-in feature. We show you how to do it.

The undo button will only get you so far—sometimes you just need to go back in time. It's called file versioning and here's how to use it.