Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

Learn how to manage background activity for apps to help save battery power in Windows.

Learn how to use the new simplified sharing feature in Excel. Now it's easier to share your spreadsheet with others on SharePoint, OneDrive, or OneDrive for Business.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Note: Whether you set the toggle to Off or On, you'll still get the regular security updates as usual.The toggle determines how quickly you get the additional non-security updates, fixes, feature updates, and improvements. Want to learn about Windows monthly updates?

With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.

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

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.