Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Notes: You can either use an email address you own as a Microsoft account, or create a new address by choosing "Get a new email address" or "Use your email instead" when you sign up.

There are some common two-step verification problems that seem to happen more frequently than any of us would like. We've put together this article to describe fixes for the most common problems.

Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

Focused Inbox. Focused Inbox helps you focus on the emails that matter most. It separates your inbox into two tabs—Focused and Other. If messages aren't sorted the way you like, you can move them and set where to deliver future messages from that sender.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

To add another account to OneDrive on your computer. If you already have a personal OneDrive account set up, you can only add work or school accounts.