What is a XLS file and how to convert it to other formats?

What is an XLS file?
An XLS file is a spreadsheet format used by older versions of Microsoft Excel (prior to 2007) to store and organize data in rows and columns. It can include basic formulas, charts, and formatting.

How to open an XLS file
XLS files can be opened with Microsoft Excel 97–2003, or with compatible software like LibreOffice Calc or older versions of Google Sheets. Some viewers allow you to read the data without editing it.

Why XLS files are used
XLS files were widely used for data management, calculations, and reporting before the XLSX format was introduced. They remain compatible with many legacy systems and are useful for accessing older spreadsheets.

With Toma2Tomato, you can convert your XLS file to these formats: CSV