在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。
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
Stay protected with Windows Security - Microsoft Support
Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.
Find your IP address in Windows - Microsoft Support
Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
失われたファイルまたは削除されたファイルを回復する - Microsoft サポート
注: 最近 Windows 10 を更新して、ファイルを見つけるのに問題が生じている場合は、「Windows 10 へのアップグレード後に失われたファイルを検索する方法」をご覧ください。
Meeting options in Microsoft Teams - Microsoft Support
Admins set default meeting settings. They try to optimize for most use cases, but if you want to adjust your options for a specific Teams meeting, go to Meeting options.
Applies To:
Microsoft Teams
Language Accessory Pack for Microsoft 365 - Microsoft Support
Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 to add additional display, help, and proofing tools to Microsoft 365.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
Fix problems signing in to the Xbox app - Microsoft Support
Get troubleshooting steps for when you can't sign in to the Xbox app.
使用 Xbox 配件控制杆重新校准工具 | Xbox Support
如果控制器上的控制杆出现了小问题，或者如果你要自行修理控制器，并需要重新校准控制杆，那么你可以使用 Xbox 配件应用 ...
Stay up to date with news and interests - Microsoft Support
Get started with news and interests, choose how weather looks on your taskbar, turn it on and off, personalize your feed and choose interests and followed publishers.
Get started with PowerPoint for the web - Microsoft Support
Learn how to get started with PowerPoint for the web from Office.com and create presentations online.
Applies To:
PowerPoint for the web