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How to calculate the number of days, months, or years between two dates using the DATEIF function in Excel.

Keys with an Fn key or F Lock provide two sets of commands for many keys. This includes the top row of standard function keys (F1–F12). Standard commands are labeled on the front of the keys (such as F3).

Copilot is available in the Home tab of Word, Excel (Preview), PowerPoint, and Outlook if you are a Copilot subscriber. If you also have a Microsoft 365 subscription that includes the Microsoft 365 desktop apps then you should find Copilot available in those apps as well.

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Sending a message. If you haven't already set up messages, do the following: On your PC, in the Phone Link, select Messages.

To start a new line of text or add spacing between lines or paragraphs of text in a worksheet cell, press Alt+Enter to insert a line break. Double-click the cell in which you want to insert a line break.

If you loved the free solitaire games from earlier versions of Windows, we've wrapped them all up in one convenient app, the Microsoft Solitaire Collection.

Earn Microsoft Rewards points with Xbox, whether on console or on your devices. Available with your Microsoft account, the free Microsoft Rewards program makes it even easier to earn points for things you already do, like shopping for games and other eligible items in the Microsoft Store, gaming on Xbox, or searching on Bing.

Microsoft Edge always strives to give you with the best browsing experience possible. That’s why, with Microsoft Edge version 124, we’re excited to introduce a new and easier way to update your browser.