If the two Excel workbooks have the same name, you cannot open them at the same time. For this, either close one of them and then open the other or change the name of one of them.

Although you are the user that has the workbook open, Excel will still inform you of this. Click the "Read Only" button.

Click "Create" or "OK" to open the new Excel workbook. Proceed to enter your data into the cells of the worksheets. Three worksheets will appear by default (in most versions).

This tutorial will show you how to remove disable or turn off the Compatibility Mode in Microsoft Excel. Without Compatibility Mode, some documents may display incorrectly.

It is possible to modify Excel’s default blank workbook; you can even modify the default new worksheets that you insert into your existing workbooks.

We'll dive deep into Excel workbooks in this guide, starting with the basics and diving straight into powerful three-dimensional workbooks.

Want to organize all the worksheets in your Excel workbook? Try creating a table of contents. It makes it easy to find specific sheets, especially if your Excel file contains hundreds of them.

Your complex Excel workflow is simply incomplete without macros. You can think of macros as mini-programs within Excel that record a sequence of your actions. You perform the task once, and Excel ...

If multiple users work in the same Microsoft Excel file, you can limit their access to only the ranges where they need to work.

Within Excel you can conduct calculations on multiple worksheets and workbooks open at the same time. Each workbook acts as its own separate window on your PC or Mac, while each worksheet acts as ...