Activate Office - Microsoft Support
Activate Microsoft 365 or a non-subscription version of Office. When you start an Microsoft 365 app that's not activated, you'll be prompted to sign in to Microsoft 365. Be sure to sign in using the Microsoft account, or work or school account, that you used to buy or subscribe to Microsoft 365.
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
Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
Account has been locked - Microsoft Support
Troubleshooting verification code issues. Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.
Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.
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
Screen mirroring and projecting to your PC or wireless display
Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
为什么我会收到消息，指出我的微软待办已关闭？ - Microsoft 支持
你的Office 365订阅包括用户级许可证 微软待办 ，你的管理员可以使用这些许可证管理对 微软待办 应用的个人访问权限。 如果你的管理员已选择关闭你的许可证，微软待办 暂时，你将无法使用它。
Applies To:
Microsoft To Do
将微软待办与 Outlook 任务结合使用 - Microsoft 支持
若要在 Outlook 桌面客户端或 Outlook.com 上查看你的微软待办任务，使用同一 Microsoft 帐户登录微软待办和 Outlook 即可。 所有任务都存储在 Exchange Online 服务器上，因此它们将自动显示在 微软待办 和 Outlook 任务中。
Applies To:
Microsoft To Do
欢迎使用微软待办 - Microsoft 支持
微软待办 是一个简单且智能的待办事项列表，可帮助你在一个位置管理所有任务。 您可以在我的一天中处理任务，并创建任意数量的其他列表来组织您的工作、杂货、旅行、购物和要观看的电影 可以在每个列表中随意添加任意数量的任务。
Applies To:
Microsoft To Do