Find out the steps you can take if you receive a message telling you a driver can't load on your device.

An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.

The Microsoft Mouse and Keyboard Center is an app that helps you make the most out of your Microsoft keyboard and mouse. Mouse and Keyboard Center helps you personalize and customize how you work on your PC.

Learn keyboard shortcuts to manage your email, tasks, contacts, and meetings in Outlook with the US keyboard layout.

Learn how to use keyboard shortcuts in Word to navigate, select, format, and edit your documents faster and easier.

Learn how to retrieve a forgotten username or password for your Office for home or Office for business account.

Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen

Explore subscription benefits, browse training courses, learn how to secure your device, and more.