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 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.

An XLS file is the native spreadsheet file type for versions of Microsoft Excel prior to Excel 2007. A QIF file is a Quicken Interchange Format file. The QIF file format was originally established by ...

How to convert XLS and JSON files to CSV in Linux with csvkit Your email has been sent Sometimes you just need a quick means of converting a spreadsheet to a comma-separated values file. When you ...

how the SAS/ACCESS interface works. XLS files contain data in the form of Microsoft Excel spreadsheets. Unless otherwise noted, Excel 4 and Excel 5 files are referred to collectively throughout this ...