Learn how to use digital signatures, digital IDs, and signature lines in Microsoft 365 files, such as Word, Excel, and PowerPoint.

Learn how to locate, install, and share files with custom fonts compatible with Microsoft Office applications.

Before considering troubleshooting options, make sure your device is up to date. Select Start > Settings > Update & Security > Windows Update , then select Check for updates.If you need help setting up your external monitors, see How to use multiple monitors in Windows 10.

Windows 11的重新安装类型. 下图提供了有关每种重新安装类型可以选择的不同选项的信息，包括应用、文件、个人数据以及重新安装所需的磁盘空间量。

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

Use Microsoft Teams (work or school) for a Microsoft work or school account or a guest account in Windows 11. Also, find out which version of Teams you’re using.

During any Teams meeting, you can start a live transcription of the proceedings. The text appears alongside the meeting video or audio in real time, including the speaker's name (unless they chose to hide it) and a time stamp.

Find out what Microsoft Rewards are, how you can redeem them, how to download the app, and where to get help if you need it.

How to add and request read receipts and delivery notifications in Outlook.