Install Office updates - Microsoft Support
Note: If you can't open an app to check your installation type, try the more common Click-to-Run or MSI uninstall steps first. Create or open an existing file and select File > Account (or it might say Office Account). Under Product information, find the About button and check for the following:
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, InfoPath 2013, InfoPath Filler 2013
Microsoft 365 Customer Service and Support - Microsoft Support
Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience. Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft ...
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
Use Microsoft Teams for work or school in Windows 11
If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.
Applies To: Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
Use the System File Checker tool to repair missing or corrupted system ...
Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
Disk cleanup in Windows - Microsoft Support
Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.
Microsoft Edge 中的 Internet Explorer 模式 - Microsoft 支持
有些网站专为与 Internet Explorer 一起使用,它们具有 Microsoft Edge 等新式浏览器不支持的功能。 如果你需要查看其中的某个网站,可使用 Microsoft Edge 中的 Internet Explorer 模式。
Uninstall Office from a PC - Microsoft Support
Tip: If you installed the Microsoft 365 apps as part of a suite, such as Office Home and Student or Microsoft 365, search for the suite name.For stand-alone apps search by the app name, such as Project or Visio. In most cases you can't uninstall an individual app if it's included in your Microsoft 365 suite.
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Fix your Outlook email connection by repairing your profile
On the Email tab, choose your account (profile), and then choose Repair.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
View display settings in Windows - Microsoft Support
If you don't see a setting you're looking for, try searching for it in the search box on the taskbar. Open Display settings. Most of the advanced display settings from previous versions of Windows are now available on the Display settings page. Select Start > Settings > System > Display.
如何将我的 Xbox 控制器连接到电脑? | Xbox Support
按住 Xbox 按钮 3 秒打开控制器。 打开控制器时,Xbox 按钮 将开始闪烁。 长按控制器顶部的的“配对”按钮 (凸起按钮)。 控制器上的 Xbox 按钮 将加速闪烁 - 这意味着控制器正在搜索电脑。; 在电脑上,按“开始”按钮 ,然后选择“设置” > 设备(在 Windows 11 上:设置 > 蓝牙和设备)。