Find out what model of Surface you're using. There are several ways to find out which Surface device model you have. Look in the Surface app

Outlook 网页版是组织使用的基于 Web 的 Outlook 版本。你需要使用工作或学校帐户登录才能访问此基于 Web 的 Outlook 版本。 你的工作或学校帐户通常由组织中的某人分配给你。

If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

The blocked person can still send you mail, but if anything from his or her email address makes it to your email account, it’s immediately moved to the Junk Email folder. Future messages from this sender will go to your Junk Email folder or End-User Quarantineif enabled by your administrator.. It’s a good idea to periodically review email messages identified as junk to make sure you’re ...

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Learn how to type a letter online using Word for the web. Choose a letter template for online letter writing. Edit, send or print your letter online.