View and delete browser history in Microsoft Edge
Select Settings and more . Go to Settings > Profiles > Sync and select Turn off sync . To clear your browsing data in Microsoft Edge: Select Settings and more > Settings > Privacy, search, and services . Under Delete browsing data > Clear browsing data now, select Choose what to clear.
Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.
Update your security processor (TPM) firmware - Microsoft Support
Go to Start > Settings > Update & Security > Windows Security > Device security . Under Security processor, select Security processor details. Select Security processor troubleshooting, and then under Clear TPM, select Clear TPM. You'll need to restart your device to complete the process.
Uninstall Office from a PC - Microsoft Support
The following steps describe how to uninstall Microsoft 365 products on a PC (laptop, desktop, or 2-in-1). For Mac, see Uninstall Office for Mac. Tip: Uninstalling Microsoft 365 only removes the Microsoft 365 applications from your computer, it doesn't remove any files, documents, or workbooks you created using the apps.
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
Manage background activity for apps in Windows
Apps that can run in the background can send and receive notifications, sync information, and stay up to date. If you find that an app is using a lot of battery when running in the background, you can change the setting for apps that allow it.
Install Office updates - Microsoft Support
If Update Options is missing and there's only the About button, you either have a volume license install or your company is using Group Policy to manage Office updates. Try Microsoft Update or contact your company help desk. To download an update manually, see Office Updates.
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
Change site access permissions for extensions in Microsoft Edge
You can change site access permissions for your extensions on the new Microsoft Edge any time. To change the site access permissions for an extension. At the top right, choose the Extensions Hub to see the list of extensions installed on Microsoft Edge.
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
为此,请改为运行以下命令:. DISM.exe /Online /Cleanup-Image /RestoreHealth /Source: C:\RepairSource\Windows /LimitAccess. 备注: 将 C:\RepairSource\Windows 占位符替换为修复源的位置。. 有关使用 DISM 工具修复 Windows 的详细信息,请参阅 修复 Windows 映像 。.
Account help
Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.
Share things with nearby devices in Windows - Microsoft Support
Change your settings for nearby sharing. Nearby sharing in Windows lets you share documents, photos, links to websites, and more with nearby devices by using Bluetooth or Wi-Fi. You can share files between PCs that are running Windows 10 or Windows 11.