Choose from a variety of Surface devices and accessories to get help.

Protected messages allow the sender to set specific permissions on a message, such as Do Not Forward or Do Not Print. If you receive a protected email message sent to the work or school account you use with Microsoft 365 in Outlook or Outlook on the web, the message should open like any other message.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

With a Microsoft or Xbox gift card, you let the lucky recipient choose the gift they want.There are no fees or expiration dates, and either card can be used to buy: Popular games, apps, and add-ons for Windows and Xbox.

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包含哪些内容？ 最好的 Microsoft：使用 Microsoft 帐户登录时，你可以免费获得更多内容。

Important: If your Microsoft cloud storage is full, you cannot send or receive email.Messages sent to you while your storage was full are bounced back to the sender and are unrecoverable. Check your mailbox storage to see what's taking up space. Learn more about recent changes.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

A guide to help you identify and access your Microsoft account. How to check if your email is a Microsoft account? Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address.

Try it! Keep track of everyone you communicate with by creating and editing contacts in Outlook for Windows. Once you’ve saved someone as a contact, you can type the first few letters of their name into an email, and Outlook for Windows will fill in their email address for you.