The 2007, 2010 and 2013 versions of the program use the XLSX format by default ... "Browse" button. The Open window appears on your screen. Make sure the "All Excel Files" option is selected ...

You don't necessarily need Microsoft Excel to work with an .xlsx file Reviewed by Ryan Perian This article explains what XLSX ...

Launch your Excel files. Each should open in its own window ... Information in this article applies to Microsoft Excel 2007. It may vary slightly or significantly with other versions or products.

Try renaming the file with the correct extension (e.g., .xlsx for Excel workbooks). If needed, open the file in Excel, save it as the correct format, and close it to apply changes. Why is my XLSX ...

Simply put, .xlsx is a file extension for the open XML spreadsheet used by Microsoft Excel from 2007 onwards. Why the change in format from earlier versions of Excel? According to many ...

If you use Microsoft Excel on your Mac ... Click on Advanced Options, and you can select between .xlsx and .xls file formats. Click Next when you have finished selecting your options.