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Office Help & Training
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Add your work or school account to the Microsoft Authenticator app
Note: If you don't see the Additional security verification page, it's possible that your administrator has turned on the security info (preview) experience.If that's the case, you should follow the instructions in the Set up security info to use an authenticator app section. If that's not the case, you will need to contact your organization's Help Desk for assistance.
Windows 10 update history - Microsoft Support
Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)
Microsoft Edge 帮助和学习
获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。
What happens if there's an unusual sign-in to your account
Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Help in Notepad - Microsoft Support
Get answers to common questions about Notepad. To open Notepad, select the Start button, enter Notepad, then select Notepad from the results. Here are answers to a few common questions about Notepad:
Manage add-ons in Internet Explorer 11 - Microsoft Support
Installing and using add-ons. If you're missing an add-on that you need to view a page, Internet Explorer will let you know, and will prompt you to install the add-on.
Connected experiences in Microsoft 365 - Microsoft Support
Experiences that download online content. These are experiences that allow you to search and download online content including templates, images, 3D models, Microsoft 365 help, videos, and reference materials to enhance your documents.
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, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, OneNote for iOS
暂时允许 Microsoft Edge 中的 Cookie 和站点数据 - Microsoft 支持
为了帮助保护你的隐私,新版 Microsoft Edge 将跟踪防护设置为默认均衡。 为了增强保护,可以将“跟踪防护”切换为“严格”或“阻止所有第三方 Cookie”。