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Set up Security info from a sign-in page - Microsoft Support
You can follow these steps if you're prompted to set up your security info immediately after you sign-in to your work or school account. You'll see this prompt only if you haven't set up the security info required by your organization.
What is Smart App Control? - Microsoft Support
Smart App Control is a feature of Windows 11 that helps to block malicious, untrusted, or potentially unwanted apps from running on your device.
Subscribe to an RSS Feed - Microsoft Support
The first time you add an RSS Feed to Outlook, you're prompted to choose if you want to keep your RSS Feeds subscriptions list synchronized between Outlook and the Common Feed List (CFL).
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Use categories in Outlook - Microsoft Support
Learn how to create and assign category tags or labels in Outlook on the web.
Applies To: Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016
Use Immersive Reader in Word - Microsoft Support
Support reading and writing by using Immersive Reader to customize how word documents appear while you read and edit. Immersive Reader provides options for a comfortable and easy to process experience by allowing you to listen to the text read aloud or adjust how text appears by modifying spacing, color and more.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word for iPad
How do I open a protected message? - Microsoft Support
Learn how to open an encrypted email in Outlook, Outlook on the web, or read a protected message with a single-use code.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, New Outlook for Windows, Outlook for Android, Outlook for iOS
Office Help & Training
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修复阻止程序安装或删除的问题 - Microsoft 支持
注意. 这些步骤适用于 Windows 程序。 如果你从 Microsoft Store 获得的应用程序有问题,请转到修复来自 Microsoft Store 应用的问题。
IFERROR function - Microsoft Support
How to use the IFERROR function in Excel to trap and handle errors in a formula.
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
Get started with eye control in Windows - Microsoft Support
Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.