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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
Create, edit, or delete a contact list or contact group in Outlook
You can right-click the contact group and select Delete from the menu or click the group, then select Delete from the Ribbon.. Contacts are not deleted, only the contact list.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Sign in using Microsoft Authenticator - Microsoft Support
Sign in to a work/school account using a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC.
Get help with Outlook.com - Microsoft Support
Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.
Applies To: Outlook.com
Find and install your Microsoft downloads from Microsoft Store
Most software that you buy directly from Microsoft, like Office, Windows, and Xbox games, comes as a digital download that you can download, install, or reinstall.
Applies To: Microsoft account dashboard
Manage notifications in Microsoft Teams - Microsoft Support
Missed activity emails. In the Missed activity emails section, you’re able to set the frequency of summary emails detailing your missed activity, or turn this feature off.. Chats and channels notifications. Notifications for chats and channels can be managed at a granular level, allowing you to customize your notifications to your personal work style.
Applies To: Microsoft Teams
How to sign in to Outlook on the web - Microsoft Support
Note: If you signed in with a Microsoft account such as an Outlook.com, Hotmail, Live, or MSN email account instead of your work or school account, sign out, and then sign in again using the correct account. Not sure which account you're signed in with? Select Account manager in the Outlook navigation header. If you're not signed in with the account you want, select Sign out and start the ...
Applies To: Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, Outlook on the web for Exchange Server 2016
Change the refresh rate on your monitor in Windows
Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.
Get help with Windows activation errors - Microsoft Support
Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.
COUNTIF function - Microsoft Support
Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.
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