Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.

Find everything you need to manage your Xbox account, profile, and more.

How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.

By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

Learn how to create and add a signature to email messages you send in Outlook.com.

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

If you don’t like the default date format, you can pick a different one in Excel, like February 2, 2012 or 2/2/12. You can also create your own custom format in Excel.

Here are some answers to the frequently asked questions about the OneDrive desktop app for Windows.