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。

Use the new Outlook for Windows for coordinated Mail, Calendar and People apps on Windows 11.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Lists all Excel functions by their category, such as Logical functions or Text functions.

Share your calendar in an email. If you don't want to give someone permissions to share your calendar and see updates, you can email a static copy of your calendar for a specific date range.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Add a contact from someone's profile card. If you're using Outlook in an organization and you click someone's name or picture in Outlook or other Office apps and services, you might see a profile card with additional information.

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.