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 ...
Windows でアプリとプログラムをアンインストールまたは削除する - Microsoft サポート
マルウェアを削除しようとしている場合は、「Windows セキュリティで保護された状態を維持する」を参照して、スキャンを実行する方法を確認してください。 別のウイルス対策ソフトウェア プログラムを使用している場合は、そのプログラムのウイルス対策オプションを確認してください。
Using product keys with Office - Microsoft Support
If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Cancel your Microsoft subscription - Microsoft Support
For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to cancel your Microsoft subscriptions such as Microsoft 365, Copilot Pro and Xbox. Troubleshoot issues if you can't cancel your subscription.
Applies To:
Microsoft account dashboard
Apply data validation to cells - Microsoft Support
Note: To let a user enter percentages, for example 20%, select Decimal in the Allow box, select the type of restriction that you want in the Data box, enter the minimum, maximum, or specific value as a decimal, for example .2 , and then display the data validation cell as a percentage by selecting the cell and clicking Percent Style in the Number group on the Home tab.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
PIN を変更またはリセットする - Microsoft サポート
PIN を変更またはリセットする. Windows 11 Windows 10. PIN は、ユーザー定義の数字のセット、または数字と文字の組み合わせです。. これにより、パスワードではなく Windows デバイスにサインインできます。. PIN はデバイスに安全に保存され、どこにも送信され ...
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为Windows 11升级做好准备. 什么是 Microsoft 帐户. 备份 Windows 电脑. 获取有关你的 Microsoft 帐户的帮助.
Windows Media Player - Microsoft Support
If Windows Media Player stopped working correctly after the latest updates from Windows Update, verify that the updates are the problem by using System Restore. To do this: Select the Start button, and then type system restore. Select Create a restore point, and then in the System Properties pane, select System Restore.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Help with Microsoft Store purchases - Microsoft Support
Country/region. Microsoft Store sales support. Technical or download support. American Samoa. 1-877-696-7786. Technical support. Anguilla. 18669221478. Technical support
Applies To:
Microsoft account dashboard