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PowerPoint for Windows training - Microsoft Support
Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, Office for business
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To: Office 2019
Set screen time limits across devices - Microsoft Support
Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.
Applies To: Microsoft Family Safety
Get started with PowerPoint for the web - Microsoft Support
With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.
Applies To: PowerPoint for the web
修复 Windows 中的 USB-C 问题 - Microsoft 支持
注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输,则其能够以更大的功率实现更快速充电。. 要更快地充电,你的电脑、充电器和线缆均必须符合行业标准。
What's new in Word 2021 for Windows - Microsoft Support
Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.
Applies To: Word 2021
Filter junk email and spam in Outlook - Microsoft Support
When you mark email as junk, you can report the message to Microsoft to help improve the accuracy of the junk email filter. To set junk email reporting options, select Settings > Mail > Automatic processing > Junk email reporting.. Specify when to send junk email reports
Applies To: Office for business, Office 365 Small Business, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
失われたファイルまたは削除されたファイルを回復する - Microsoft サポート
コンピューター上のファイルが見つからなくなった場合、または誤ってファイルを変更または削除してしまった場合でも、バックアップから復元 (Windows バックアップを使用している場合) したり、以前のバージョンから復元を試みることができます。以前のバージョンとは、復元ポイントの一部 ...
Using the Windows Activation troubleshooter - Microsoft Support
To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.