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SharePoint video training - Microsoft Support
Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.
适用于: Microsoft 365 中的 SharePoint
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.
适用于: Office 商业版, Microsoft 365 管理员
Add or remove items from a drop-down list - Microsoft Support
After you update a drop-down list, make sure it works the way you want. For example, check to see how to Change the column width and row height to show your updated entries. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Meet Windows 11 - Microsoft Support
Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.
Improve my PC performance in Windows - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Set up the Microsoft Authenticator app as your verification method
Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.
Check your device performance and health in Windows Security
The Health report starts off by showing you the last time a Device Health scan was run. The time displayed should be basically the current time, as Windows Security tries to run a Device Health scan when you open the Device performance & health page.. Beyond the time of last scan you'll see the status of the key areas that Device Health monitors:
Schedule a meeting or event in Outlook - Microsoft Support
In the Scheduling Assistant, either click the box under your name and type an attendee's name or email address or click the Add Attendees button to bring up your address book.. Select the icon next to the attendee's name in the Scheduling Assistant to mark a specific attendee as a Required Attendee,Optional Attendee, or a Resource.When you start typing a attendee's name, Outlook will provide ...
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 网页版, Outlook.com, 新的 Outlook for Windows
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.
适用于: Microsoft 帐户仪表板
Camera doesn't work in Windows - Microsoft Support
When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.