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Troubleshoot Windows Media Player Errors - Microsoft Support
Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...
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.
启动演示文稿,并在演示者视图中查看备注 - Microsoft 支持
开始演示. 在“幻灯片放映”选项卡上的“开始放映幻灯片”组中,选择“从头开始”。 现在,如果在一台显示器上使用 PowerPoint,并且需要显示演示者视图,请在“幻灯片放映”视图左下角的控制栏上选择 ,然后选择“显示演示者视图”。 使用演示者视图中的控件
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016
Focused Inbox for Outlook - Microsoft Support
To move a message from Focused to Other: Select Move > Move to Other inbox.Select Always move to Other inbox if you want all future messages from the sender to be delivered to the Other tab.. To move a single message from Other to Focused: Select Move > Move to Focused inbox.Select Always move to Focused inbox if you want all future messages from the sender to be delivered to the Focused tab.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Convert numbers stored as text to numbers - Microsoft Support
Most of the time, Excel will recognize this, and you'll see an alert next to the cell where numbers are being stored as text. If you see the alert:
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
Account and profile | Account settings - Microsoft Support
Learn how to manage your Microsoft account and profile settings, such as changing your password, security info, email preferences, and more.
What is: Multifactor Authentication - Microsoft Support
How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!
登录并开始使用 Teams - Microsoft 支持
选取团队和频道. 团队是人员、对话、文件和工具的集合 - 全部在一个位置。频道是在团队中进行的讨论,专门针对某个部门、项目或主题。. 熟悉团队和频道的最佳方式是选取一个团队和频道并开始使用! 选择应用左侧的“Teams” ,然后选取一个团队。 如果你不属于团队并想创建一个团队,请参阅 ...
Applies To: Microsoft Teams
COUNTIFS 函数 - Microsoft 支持
备注. 每个区域的条件一次应用于一个单元格。 如果所有的第一个单元格都满足其关联条件,则计数增加 1。 如果所有的第二个单元格都满足其关联条件,则计数再增加 1,依此类推,直到计算完所有单元格。
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