Format text as superscript or subscript - Microsoft Support
For superscript, press Ctrl, Shift, and the Plus sign (+) at the same time.. For subscript, press Ctrl and the Equal sign (=) at the same time.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016
Printing and print preview - Microsoft Support
Note: When you use File > Print to display the Print view, which contains both printer settings and print preview, the current window may shift to the background behind the main Outlook window. You can minimize the main Outlook window to bring the Print view back to the foreground. For more information on this problem, see Print preview problems in Outlook.
Applies To:
Word for Microsoft 365, Outlook for Microsoft 365, Word 2021, Outlook 2021, Project Standard 2021, Word 2019, Outlook 2019, Project Standard 2019, Word 2016, Outlook 2016, OneNote 2016, Project Standard 2016
重新安装 Windows - Microsoft 支持
注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。 保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...
Digital signatures and certificates - Microsoft Support
More and more people and organizations are using digital documents instead of paper documents to conduct day-to-day transactions. By reducing dependency on paper documents, we are protecting the environment and saving the planet’s resources.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
Set up your Microsoft 365 sign-in for multi-factor authentication
By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically generated verification code provided by an authenticator app or sent to your phone.
Applies To:
Office for business, Microsoft 365 admin
Meet Windows 11: The basics - Microsoft Support
Try it! Universal search. Select Search on the taskbar or press Windows logo key + S, then type what you want to find.You'll get personalized search results for people, email, and files in local and shared sites, or from the web. Desktop groups
How to sign out of your Microsoft account everywhere
If you think someone might have unauthorized access to your account, we can protect you by signing you out from all of your trusted devices. Within 24 hours, you will be signed out of browsers, apps and anywhere else your account is used to sign in, except an Xbox console.
Applies To:
Microsoft account dashboard
如何使用 Windows 11 中的任务栏 - Microsoft 支持
你还可锁定任务栏来保留所做选择，检查电池状态，并可暂时最小化所有打开的程序，以便能够查看你的桌面。 将应用固定到任务栏. 可以将应用直接固定到任务栏，以便在桌面上快速访问。 （或者，也可以在需要时取消固定。
Back up your BitLocker recovery key - Microsoft Support
Save to a file - You can save your recovery key as a plain text file on any device. If you need that file in the future just open it with any text editor like Notepad or Microsoft Word and you'll be able to read the key.
Microsoft Edge 中的键盘快捷方式 - Microsoft 支持
Ctrl + \（在 PDF 中） 在“根据页面调整”与“根据宽度调整”之间切换 PDF. Ctrl + [ （在 PDF 中） 将 PDF 逆时针旋转 90 度* Ctrl +]（在 PDF 中） 将 PDF 顺时针旋转 90 度* Ctrl + Shift + Delete. 打开清除浏览数据选项. Alt. 将焦点放在“设置及更多 ”按钮上. Alt + 向左键. 返回 ...