Change the message format to HTML, Rich Text Format, or plain text
Note: If you aren’t working in the Reading Pane, you don’t need to do this. In the message window, choose Format Text, and then choose HTML, Plain Text, or Rich Text. Change the format of all new messages. On the File tab, choose Options > Mail.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。
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, Office.com
How do I get Microsoft Teams? - Microsoft Support
If you can’t sign in, you might need your IT admin to turn on Microsoft Teams and configure settings (for example, updating firewall policies). Learn more about signing in with your work or school account. If you're the IT admin, here's the information you need to enable the app and configure things correctly. If you make software purchases ...
Applies To:
Microsoft Teams
Get help with your Microsoft account - Microsoft Support
Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.
Applies To:
Microsoft account dashboard
在 Windows 10 中添加在启动时自动运行的应用 - Microsoft 支持
右键单击该应用，选择“更多”，然后选择“打开文件位置”。此操作会打开保存应用快捷方式的位置。 如果没有“打开文件位置”选项，这意味着该应用无法在启动时运行。
Turn on device encryption - Microsoft Support
In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.
Improve my PC performance in Windows - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Switch to the new Microsoft Teams - Microsoft Support
When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings > Notifications > Open Windows notifications settings.Find Microsoft Teams (work preview) in the apps list and set your preference.
Applies To:
Microsoft Teams
Upgrade to Windows 10: FAQ - Microsoft Support
An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.
Surface Recovery Image Download - Microsoft Support
Learn how to download a recovery image for your Surface device and restore it to factory settings.