How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

Get the steps for how to transfer photos and videos from your portable devices to your PC.

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

Add or remove items from an existing drop-down list (also called a drop-down menu or drop-down box).

Explore tips to change your Microsoft Teams background. Learn how to replace, blur, or change your Teams background image before or during a meeting.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Download Office language interface packs (LIP) By pressing submit, your feedback will be used to improve Microsoft products and services.

If Scroll Lock is on, your cursor moves between columns and rows, not cells. Here's how to turn off Scroll Lock.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.