Zip and unzip files. Zipped (compressed) files take up less storage space and can be transferred to other computers more quickly than uncompressed files. In Windows, you work with zipped files and folders in the same way that you work with uncompressed files and folders. Combine several files into a single zipped folder to more easily share a ...

Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.

AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

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.

About Windows 11 in S mode. Windows 11 in S mode is a version of Windows 11 that's streamlined for security and performance, while providing a familiar Windows experience. To increase security, it allows only apps from Microsoft Store, and requires Microsoft Edge for safe browsing.

To open the video playback settings, select the Start button, then enter Settings. Select Settings > Apps > Video playback . If you're having issues with video playback, see Troubleshooting poor video playback . To learn about how can you save battery when playing video, along with other battery-saving tips, see Battery saving tips. Open Video ...

Country/region. Microsoft Store sales support. Technical or download support. American Samoa. 1-877-696-7786. Technical support. Anguilla. 18669221478. Technical support

Avoid and report Microsoft technical support scams. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to ...

新しい Microsoft アカウントを作成する方法. Microsoft account. Microsoft アカウントを使用すると、1 回のログインだけで Microsoft 製品やサービスにアクセスできます。. サインアップ. ヒント: 新しいメール アドレスを作成する場合は、 [新しいメール アドレスを ...

The update history page will provide you with the build numbers for 22H2 and 23H2. This will make it easier for support to assist you if you encounter issues. This new update will be cumulative with all the newly announced features including Copilot in Windows (in preview) plus additional changes.