How to combine text or data from two or more cells into one cell in Excel.

A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

Learn how to enter reading mode in Microsoft Edge and use Immersive Reader to hear webpages and PDFs read out loud.

Learn how to insert the degree symbol on your keyboard with ease. Our step-by-step guide makes it easy to add the degree symbol to your documents. Try it now!

Learn how to create and add a signature to email messages you send in Outlook.com.

Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.

Learn how to retrieve a forgotten username or password for your Office for home or Office for business account.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.