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打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要将其关闭,请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备(以及网络,如果有)更容易受到未经授权的访问。
Encrypt messages by using S/MIME in Outlook on the web
A key icon in the message list or reading pane indicates an encrypted message.. If you normally use Conversation view, you'll have to open the message in a new window to read it. There will be a link on the message to make this easier.
Applies To: Outlook.com, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Office Help & Training
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Display requirements for HDR video in Windows - Microsoft Support
To play HDR video in Windows 11, your display, PC, and graphics card must meet certain requirements. Here are the requirements: Display. Your display can be a built-in display, like the kind on a laptop, tablet, or 2-in-1 PC, or it might be an external display that’s connected to your PC.
How to go passwordless with your Microsoft account
Going passwordless refers to removing your password and using a passwordless method to sign in instead. Passwordless solutions such as Windows Hello, the Microsoft Authenticator app, SMS or Email codes, and physical security keys provide a more secure and convenient sign-in method. While passwords can be guessed, stolen, or phished, only you can provide fingerprint authentication, or provide ...
Applies To: Microsoft account dashboard
Auto color management in Windows 11 - Microsoft Support
Creative professionals and enthusiasts care about fully calibrated, accurate colors because it helps to make sure colors remain consistent from the beginning to the end of their projects.
在 Microsoft Edge 中管理 Cookie:查看、允许、阻止、删除和使用 - Microsoft 支持
如果你不希望第三方站点在你的电脑上存储 Cookie,则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示,或者可能会从站点收到一条消息,通知你需要允许 Cookie 才能查看该站点。
Applies To: Microsoft Edge
Keeping leading zeros and large numbers - Microsoft Support
Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016, Excel 2013
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
June 11, 2024—KB5039227 (OS Build 20348.2527)
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device. For more information about security vulnerabilities, please refer to the Security Update Guide and the June 2024 Security Updates. Windows Server 2022 servicing stack update (KB5039343) - 20348.2522