注意: 删除所有内容 > 更改设置 提供了两个选项。. 打开数据擦除会删除文件并清理驱动器。如果你打算捐赠、回收或出售你的电脑，请使用此选项。 这可能需要一或两个小时的时间，但也会让其他人难以恢复你删除的文件。

Erfahren Sie, wie Sie Ihre PIN zurücksetzen, wenn Sie nicht bei Windows angemeldet sind und Probleme bei der Verwendung Ihrer PIN haben.

另请参阅. 如果找不到 Microsoft Store，请参阅 在 Windows 10 中查找 Microsoft Store 时遇到问题的疑难解答。. 如果在启动 Microsoft Store 时遇到问题，请参阅 Microsoft Store 无法启动。. 如果可以启动 Microsoft Store，但只是在查找或安装应用时遇到问题，请参阅 我无法从 Microsoft Store 找到或安装应用。

Examples. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter.

当无法安装或删除程序时，程序安装和卸载故障排除程序可自动修复问题。 它同时修复损坏的注册表项。 首先，你需要下载 ...

Find PowerPoint help and training from Microsoft. Get answers to your questions, and learn from how-to articles and training videos for PowerPoint.

Usa tu cuenta de Microsoft para iniciar sesión en servicios Microsoft, como Windows, Microsoft 365, OneDrive, Skype, Outlook y Xbox Live.

Sign out of Teams. While it's a good idea to remain signed in to continue receiving chats, notifications, incoming calls, and other activities, sometimes you might want to sign out of Teams to use another account or for other reasons.

If you travel often, your new locations may show as unusual activity. To travel without disruptions or alerts, we recommend using Microsoft Authenticator to sign in.. If you get an email about unusual activity and you're not sure if it's from Microsoft, you can safely sign in to your Microsoft account any time without clicking links in the email.

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.