XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save workbooks, but can also use the XLS format.

If you're still saving Excel spreadsheets with a three-letter .xls extension, you're lugging around a digital anchor from the era of dial-up. Beyond being a 1990s relic, these legacy files are slow, ...

XLS is the default file type for Microsoft Office Excel files. It is compatible with nearly all programs that read spreadsheet files. If you are looking to manage your spreadsheets while you're on the ...

Transform legacy spreadsheets into maintainable, automated tools that scale and survive the test of time.

If you notice that your Excel files are opening in Notepad, then read this post to learn how to fix the issue. The default behavior of a document or file is to open in the application with which it ...

While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

The guide provides insight into how to use the hidden “FILES” function in Excel, a legacy macro function that lists all files in a specified folder. MyOnlineTrainingHub takes you through how to enable ...

What if you could turn the tedious task of combining transaction files into a quick and easy process? With Power Query in Excel 365, you can do just that. This powerful tool allows you to merge files ...

Here is a full guide on how you can convert Excel file XLSX or XLS to GPX in Windows 11/10. A GPS eXchange Format or GPX file format is a GIS data format that consists of GPS location data including ...