Create a drop-down list - Microsoft Support
Select the cell in the worksheet where you want the drop-down list. Go to the Data tab on the Ribbon, and then Data Validation. Note: If you can’t select Data Validation, the worksheet might be protected or shared. Unlock specific areas of a protected workbook or stop sharing the worksheet, and then try step 3 again.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Troubleshooting black or blank screens in Windows
If you experience a black or blank screen on your Windows device, try the following: To wake the screen, use one of the following keyboard shortcuts: Windows logo key + P to choose a presentation or projection display mode. Ctrl + Alt + Del to display security options. For a black screen, use the following keyboard shortcut: Windows logo key ...
Windows 登录选项和账户保护 - Microsoft 支持
从设备中删除Windows Hello和任何关联的生物识别数据. 转到 “开始 > 设置” > 帐户 > 登录选项 。. 选择要删除Windows Hello方法。. 选择“ 删除”。. 你的生物识别数据将保留在你的设备上，直到你将其删除。. 但是，在长时间Windows Hello处于非活动状态后，系统会提示 ...
如何在 OneDrive 中取消或停止同步 - Microsoft 支持
如果要停止同步或备份文件或文件夹，可以暂停上传或下载。. 有关详细信息，请参阅下面的 暂时停止同步 。. 如果 OneDrive 网站的上传或下载时间过长，或者你选择了错误的文件，则可以取消这些文件。. 还可以在移动设备上取消上传和下载。. 有关详细信息 ...
适用于:
OneDrive (工作或学校), OneDrive (家庭或个人), OneDrive for Mac, Windows 版 OneDrive
Meet Windows 11: Personalizing your experience
Snap. Hover over a window’s maximize button or press Windows logo key + Z, then choose a snap layout to optimize your screen space and your productivity. Learn how to personalize your Windows 11 experience, from choosing a desktop background to creating a Microsoft Edge collection for your favorite content. Watch the video and read on for ...
选择 64 位或 32 位版本的 Office - Microsoft 支持
你正在将加载项与 Outlook、Excel 或其他 Office 应用配合使用。虽然 32 位应用程序可与加载项配合使用，但它们可能会用尽系统的可用虚拟地址空间。 使用 64 位应用时，最多可以共享 128 TB 的虚拟地址空间，应用和运行同一进程的任何加载项都可以共享这些空间。
适用于:
Office 2021, Office 2019, Office 2016, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 小型企业管理员版, 由世纪互联运营的 Office 365 - 管理员版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版, Office.com
What to do if Microsoft Edge isn't working - Microsoft Support
Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.
How to redeem gift cards and codes | Xbox Support
Press the Start button , and then enter Xbox into the search bar. Choose the Xbox app from the results to open the app. Select your gamerpic, and then select Settings. Select Redeem under Redeem a code. Enter the 25-character code, select Next, and then follow the prompts. Note You can’t redeem a code on the Xbox app for mobile at this time.
关于高级网络设置 | Xbox Support
要启用 QoS 标记，请转到“设置”，然后选择“常规”>“网络设置”>“高级设置”>“QoS 标记设置”。. 你将看到两个标记为“已启用 DSCP 标记”和“已启用 WMM 标记”的选项。. 已启用 DSCP 标记. 区分服务代码点 (DSCP)标记是在 IPv4 和 IPv6 数据包级别完成的。. 它 ...