How to edit .xlsx files on Mac So, how do you edit an .xlsx file on a Mac? Due to the open file format used by Microsoft’s Excel software, it’s surprisingly easy to edit a .xlsx file on a Mac.

In comparison, an XLSX file is a regular Excel spreadsheet that doesn't contain this type of code and doesn't require any special steps to open the file and start working.

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

Learn how to convert & open .numbers file in Excel on Windows using Numbers tool for Mac or Online Numbers file conversion tool like Zamzar or CloudConvert.

How to open a .numbers file on a Windows PC To get your .numbers file into a recognisable state for Windows you’ll first need to open it in the iCloud version of Numbers.

Microsoft Excel has an import wizard, but if you structure the text correctly, you can bypass the wizard altogether.

How to Convert XLSM to XLS. Microsoft went to the Open XML Format for its Office documents beginning in 2007. The Open XML format files are smaller than previous file formats. An Excel Workbook ...