If you launch multiple files by double-clicking their shortcut icons, or via the "Open" menu in Excel, the files will run simultaneously in one Excel window.

While there is a way for you to open two Excel workbooks at the same time, you can also open multiple spreadsheets in separate windows. Learn how!

Open Excel, go to the File menu, click "Open" and locate your file. Hold down the "Shift" key while you click "Open," and continue holding it until the workbook finishes loading.

How to open a .csv file in Excel Opening a .csv file is as easy as opening a .txt file, and usually, you won’t have to clean up the data before doing so because the save task inserts the delimiter.

These step-by-step instructions show you how to add the Developer tab to the Ribbon in Word and Excel 2016 and Office 365, and to use it to launch the Visual Basic Editor and access Visual Basic ...