在 PowerPoint 中共享和协作 - Microsoft 支持
共享演示文稿. 在功能区上，选择“ 共享”。 如果演示文稿尚未保存到 OneDrive，系统会提示你将其保存到 OneDrive。
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Add or invite people outside your org to a chat in Microsoft Teams
With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.
Applies To:
Microsoft Teams
Send a form and collect responses - Microsoft Support
Note: Anyone who receives the form link through email will be able to forward your email to other people who can potentially see and complete your form.If your form, however, is set to Only people in my organization can respond or Specific people in my organization can respond, only individuals and groups you define - whether everyone in your organization or just specific individuals and ...
Applies To:
Microsoft Forms
如何更正 #VALUE! 错误 - Microsoft 支持
如果公式中包含具有不同数据类型（文本和数值）的单元格，Excel 会显示 #VALUE! 错误。 如果 公式引用的一个或多个单元格中包含文本，而不是数字，并且使用标准数学运算符（+、-、* 和 /）对不同数据类型执行加减乘除运算，则也会显示 #VALUE! 错误。
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
End of support for Cortana - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
在 Microsoft Edge 中打印 - Microsoft 支持
选择要打印每页的页数： 在一张纸上打印多页是一种有用的技术，可节省纸张、降低打印成本并创建文档的紧凑版本。 可在单张纸上打印的页数取决于打印机的功能和所选打印选项 (示例：每张) 1、2、4、6、9 或 16 页。
Microsoft account security info & verification codes
Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).
Applies To:
Microsoft account dashboard
How to redeem Microsoft Rewards points - Microsoft Support
Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.
Applies To:
Microsoft account dashboard
Make and receive phone calls from your PC - Microsoft Support
Leave your Android device in your pocket the next time it rings — pick up the call from your PC instead. Calling requires Bluetooth capability on both your PC and on your Android device, so make sure you have it turned on for both.
App permissions - Microsoft Support
Here's more info on what permissions allow an app to do: Access all your files, peripheral devices, apps, programs, and registry: The app has the ability to read or write to all your files (including documents, pictures, and music) and registry settings, which allows the app to make changes to your computer and settings. It can use any peripheral devices that are either attached or part of ...