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如何更正 VLOOKUP 函数中的 #N/A 错误 - Microsoft 支持
问题:查阅值不在 table_array 参数的第一列中。. VLOOKUP 的一个约束是它只能在表数组中最左侧的列中查找值。 如果查找值不在数组的第一列中,就会显示 #N/A 错误。
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 for Windows Phone 10
Fix problems with apps from Microsoft Store - Microsoft Support
See also. If you can't find Microsoft Store, see Trouble finding Microsoft Store in Windows 10. If you're having trouble launching Microsoft Store, see Microsoft Store doesn't launch. If you can launch the Microsoft Store but you are just having trouble finding or installing an app, see I can't find or install an app from Microsoft Store. Need more help?
Check the recent sign-in activity for your Microsoft account
If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.
Applies To: Microsoft account dashboard
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To: Office 2019
Download languages and voices for Immersive Reader, Read Mode, and Read ...
6. After the new language is installed, navigate to Language and find it in your Preferred languages list. Select your language and choose Options to adjust other language settings, download features, etc. Speech settings and voices. If text-to-speech is available in your language, you can adjust voice settings to change reader voices and speeds when using audible features like Read Aloud in ...
Applies To: OneNote for Microsoft 365, OneNote 2021, Word 2016, OneNote 2016, Immersive Reader
更改双重验证方法和设置 - Microsoft 支持
从 Microsoft Authenticator 应用删除帐户或设备. 你可以从 Microsoft Authenticator 应用删除帐户,以及从工作或学校帐户删除设备。
IF 函数 - 嵌套公式和避免错误 - Microsoft 支持
因此 IF 语句可能有两个结果。 第一个结果是比较结果为 True,第二个结果是比较结果为 False。 IF 语句非常强大,其构成了许多电子表格模型的基础,但也是导致许多电子表格问题的根本原因。
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
解决适用于 Windows 的 Xbox 应用问题 | Xbox Support
按任务栏上的“开始”按钮 ,键入“设置”,然后选择“设置”。 在 Windows 10 上,选择“更新和安全”。在 Windows 11 上,选择“Windows 更新”。 在“Windows 更新”页面上,选择“检查更新”以查看是否有适用于设备的任何更新。 在下载更新后,选择“立即安装”以开始安装。
How to redeem Microsoft Rewards points - Microsoft Support
Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.
Applies To: Microsoft account dashboard
解决更新 Windows 时遇到的问题 - Microsoft 支持
重要: 在尝试以下任意解决方案之前,请确保先备份你的个人文件。 你可以备份 Windows 电脑,或者插入 U 盘并使用文件资源管理器将重要文件拖动和复制到 U 盘。 如果你是使用 Microsoft 帐户登录到 Windows,系统设置将在连接到 Internet 后立即更新,然后自动还原。