If you are satisfied with the list, you can now remove those duplicates. The duplicates will be moved to a new folder called Calcheck in the Outlook folder list. Go back to the Command Prompt window and type the following command and press Enter. Make sure Outlook Desktop is closed before you run the command. C:\calcheck>calcheck.exe -F -R

You must select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step. If you don't allow the camera, you can still set up the authenticator app, but you'll need to add the code information manually. For information about how to add the code manually, see see Manually add an account to the app.

有时，重置 Microsoft OneDrive 可解决同步问题和重置所有OneDrive 设置。 OneDrive 将在重置后执行完全同步。 了解如何操作。 取消链接 OneDrive 如果你仍然遇到问题，取消链接电脑并将其重新连接到 OneDrive 可以帮助解决一些同步问题。

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

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. Some account language settings are roamed across the Microsoft experience. Pages are in the wrong language If you're seeing content on our website in the wrong language, check these settings:

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

When someone calls you, you'll get a notification that lets you accept or decline the call. Turn a chat into a call. With one click, you can turn any chat into a call in Teams. When you're in a chat, select Video call or Audio call in the upper-right corner of Teams. The person you are chatting with (or the people, if it's a group chat) will ...

If you need to free up more space, you can also delete system files: In Disk Cleanup, select Clean up system files. Select the file types to get rid of. To get a description of the file type, select it. Select OK.

Use the NETWORKDAYS.INTL function when you want to calculate the number of workdays between two dates. You can also have it exclude weekends and holidays too. Before you begin: Decide if you want to exclude holiday dates. If you do, type a list of holiday dates in a separate area or sheet. Put each holiday date in its own cell.

开始之前 确保要安装 Windows 11 的设备满足最低系统要求。如果设备当前正在运行 Windows 10，建议使用电脑健康状况检查应用验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。 有关详细信息，请参阅在不符合最低系统要求的电脑上安装 Windows 11。