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Use a proxy server in Windows - Microsoft Support
Learn how to set up a connection to a proxy server on your Windows PC.
Surface won’t turn on or start - Microsoft Support
Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen
Trusted documents - Microsoft Support
Find out how to make your documents more secure and avoid unwanted changes with trusted documents in Microsoft Office.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
修复 Windows 中的蓝牙问题 - Microsoft 支持
了解如何排查 Windows 中的蓝牙问题。 解决连接蓝牙设备或配件时出现的问题。
Can't send or receive email in Outlook.com - Microsoft Support
Learn how to fix Outlook.com email sync issues if you can't receive or send messages.
Applies To: Outlook.com
A driver can't load on this device - Microsoft Support
Find out the steps you can take if you receive a message telling you a driver can't load on your device.
How to enable JavaScript in Windows - Microsoft Support
This article describes step for users to allow all Web sites in the Internet zone to run JavaScript in Internet Explorer, Chrome, and Firefox.
Use slicers to filter data - Microsoft Support
Use slicers to quickly filter data in Excel. 1. A slicer header indicates the category of the items in the slicer. 2. A filtering button that is not selected indicates that the item is not included in the filter.
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
在Windows中手动更新驱动程序 - Microsoft 支持
了解如何使用设备管理器更新Windows中的驱动程序或重新安装驱动程序。
Sign in and create multiple profiles in Microsoft Edge
With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.