Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to download and install apps you need from your Microsoft 365 business subscription.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

通过将数字更改为日期来自动停止 Excel 的日期输入。 输入数字之前，您可将单元格设置为文本格式。 或者如果您只使用几个数字，在数字之前输入空格或撇号。

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

通过使用“高级”选项卡中的选项，或者使用数字格式、条件格式、函数以及在数据透视表中隐藏零值的方式，可以在 Excel 工作表中隐藏或显示零值。

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

System requirements and setup steps for the Phone Link app