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
Excel calendar templates - Microsoft Support
Download a calendar template: Browse through the calendar templates, choose an Excel calendar template that is best for you.Click the Download button on the template page, open the template file in Excel, and then edit and save your calendar.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Help in File Explorer - Microsoft Support
To open File Explorer, select Windows logo key + E or go to Start and type File Explorer in the search box. Select File Explorer in the results.. Top topics. Here are answers to a few common questions about File Explorer: How can I open File Explorer and find the Windows 11 features?
How do I sign in to Skype? - Microsoft Support
Note : Once you've signed in, Skype will remember your sign in information when you close Skype or sign out and choose to remember your account settings. If you don't have a Skype or Microsoft account: Visit Skype.com from your browser and download Skype.
Use add-ins in Outlook - Microsoft Support
Notes: Starting in Outlook for Windows Version 2303 (Build 16215.10000), the All Apps button replaces the Get Add-ins buttonon the ribbon to view installed add-ins and access the Office Store.If you’re using an earlier version of Outlook, you'll see the Get Add-ins button instead.. If you don't see All Apps on the ribbon, your administrator may have turned off add-ins for your organization.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, New Outlook for Windows, Outlook Web App
Guidelines and examples of array formulas - Microsoft Support
An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for iPad, Excel for iPhone
Convert dates stored as text to dates - Microsoft Support
Occasionally, dates may become formatted and stored in cells as text. For example, you may have entered a date in a cell that was formatted as text, or the data might have been imported or pasted from an external data source as text.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Add or subtract dates - Microsoft Support
Add or subtract months from a date with the EDATE function. You can use the EDATE function to quickly add or subtract months from a date.. The EDATE function requires two arguments: the start date and the number of months that you want to add or subtract. To subtract months, enter a negative number as the second argument.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
UNIQUE function - Microsoft Support
Examples. Example 1. This example uses SORT and UNIQUE together to return a unique list of names in ascending order. Example 2. This example has the exactly_once argument set to TRUE, and the function returns only those customers who have had service one time.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones
Troubleshoot problems with your Microsoft mouse or keyboard
Keyboard: All-in-One Media Keyboard, Microsoft Designer Compact Keyboard, Microsoft Number Pad, Microsoft Modern Keyboard, Microsoft Bluetooth Keyboard (NEW), Sculpt Mobile Keyboard, Universal Foldable Keyboard, Wedge Mobile Keyboard, Wedge Mobile Keyboard, Universal Mobile Keyboard, Microsoft Wired Ergonomic Keyboard (NEW), Internet Keyboard Pro, Microsoft Arc Keyboard, Natural Ergo Keyboard ...