激活 Office - Microsoft 支持
解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。
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, Office.com, Project for Office 365
Office Help & Training
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Office Help & Training
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Windows Server 2022 update history - Microsoft Support
Windows Server, version 23H2; July 9, 2024—KB5040438 (OS Build 25398.1009) June 11, 2024—KB5039236 (OS Build 25398.950) May 14, 2024—KB5037781 (OS Build 25398.887)
使用语音键入来说话，而不是在电脑上键入 - Microsoft 支持
通过语音键入，可以通过说话在电脑上输入文本。 语音键入使用由 Azure 语音服务提供支持的联机语音识别。
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
从屏幕右边缘滑入，然后点击“搜索”。 如果你使用的是鼠标，请指向屏幕右下角，然后单击“搜索”。在 “搜索 ”框中键入“命令提示符”，右键单击“ 命令提示符”，然后单击“ 以管理员身份运行”。如果系统提示你输入管理员密码或进行确认，则键入密码或单击“允许”。
Reduce background noise in Microsoft Teams meetings
For higher fidelity when playing music for other participants in a Teams meeting, see Share sound from your computer in a Teams meeting or live event. Turn off noise suppression for high-fidelity microphones in a low-noise environment, such as a quiet studio.
Applies To:
Microsoft Teams
June 11, 2024—KB5039217 (OS Build 17763.5936)
Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)
How to get and use app passwords - Microsoft Support
After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...
How to change a birth date on a Microsoft account
Some accounts have been created using the current date instead of a birth date - it's surprisingly common, and we are working to prevent account creation errors.
Applies To:
Microsoft account dashboard