Microsoft 365 Customer Service and Support
Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft 365 Family subscription, get questions answered from anywhere via chat or request to receive a call back from one of our technical support experts.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
Activate Office - Microsoft Support
To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a product key from a new product key card.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Contact Us - Microsoft Support
Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Download Microsoft Authenticator - Microsoft Support
Add your accounts to Microsoft Authenticator. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Subscriptions & billing | Xbox Support
Most popular. Xbox subscription cancellations and refunds. Request a refund for digital games. Check your Xbox purchase history. Get help with purchase errors. Pre-order Xbox digital games in the Microsoft Store. Get help with a digital code or gift card.
Microsoft 365 Training
Learn how to get more work done, from anywhere on any device with Microsoft 365 and Windows 10. Discover how industry professionals leverage Microsoft 365 to communicate, collaborate, and improve productivity across the team and organization.
分享 Xbox Game Pass 订阅 | Xbox Support
下面介绍 Xbox Game Pass 订阅者如何将其 Game Pass 订阅权益扩展给朋友和家人。. 在家：将你的主要 Xbox（如果有多个）设为常用 Xbox，这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。. 常用 Xbox 和游戏共享的工作原理. 在外：在任意其他 Xbox 上 ...
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Applies To:
Outlook.com
打开 Xbox 订阅的定期计费 | Xbox Support
在主机上打开定期计费. 按控制器上的“ Xbox”按钮 ，然后转到“档案和系统”>“设置”。. 选择“账户”>“订阅”，然后选择要设置定期计费的订阅。. 选择“打开定期计费”。. 如果按钮提示“关闭定期计费”，并且旁边显示下次收费日期，则已经打开定期 ...