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.

You usually won't need to know the name of your Exchange server. If you do, contact the people who gave you the Exchange email address and ask them for the name of the Exchange server. When you set up a mobile device, the AutoDiscover feature will find the name of your Exchange server and mailbox, and configure Outlook for you.

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

Learn how to check your PC's storage capacity and manage it effectively with Microsoft Support's guidance.

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

Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.

提示: 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。 或者，選取 [不要再顯示這個] 方塊，然後選取 [否]，這樣每次都會提示您輸入密碼。. 如果您無法登入或忘記您的使用者名稱或密碼，請使用我們的 [登入疑難排解員]。

Tips: If members are in North America, you can add them using their mobile number. Members can only be part of one family group. A member will need to leave the current family group to join a new one.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.