使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
How to sign out of your Microsoft account everywhere
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Applies To:
Microsoft account dashboard
Show desktop icons in Windows - Microsoft Support
Your desktop icons may be hidden. To view them, right-click the desktop, select View, and then select Show desktop icons.To add icons to your desktop such as This PC, Recycle Bin and more:
Seamlessly transfer content between your devices
Learn how to use drag and drop to transfer content between your Android device and PC.
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Fix your Outlook email connection by repairing your profile
Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
How do I sign in to Skype? - Microsoft Support
Enter your password and select the arrow to continue. You’re now signed in to Skype.
Create an email signature from a template - Microsoft Support
Use a ready signature template from a gallery to create your email signature in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Contact Skype support - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.