If Excel is not opening on double-click or not responding on your Windows 11/10 PC, take a look at the addons first, or else follow these suggestions to resolve the issue.

If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

To recover the file, open Excel once your computer is working properly. A Document Recovery pane should appear with all unsaved Excel files listed (see the screenshot below). Choose the file that you ...

As you create more and detailed Excel files, some of the data gets cached, taking up space and processing power on your computer.

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.