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

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

How to create simple formulas in Excel using AutoSum and the SUM function, along with the add, subtract, multiply, or divide values in your worksheet.

This article is for setting up your email account only! If you're having trouble using the Outlook for iOS app, please visit our FAQs for more self-help information.. If you have a work or school account that uses Microsoft 365 for business or Exchange-based accounts, there may be additional requirements set by your IT admin.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

Receive photos, videos, or other kinds of files that you or a friend shares from another device, such as a phone, laptop, or tablet. On your PC, select Start > Settings > Devices > Bluetooth & other devices. Learn how to pair.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Explore your options and settings when you install add-ins.

Learn how to use Azure Authenticator with Microsoft 365. It makes 2-step verification really easy!

Learn how to use the privacy dashboard in your Microsoft account and manage your privacy settings for products you use.