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.

Excel's Document Inspector reveals hidden and personal content, while a few manual checks can catch what it misses.

Have you ever sent an Excel file to a colleague, only to realize they couldn’t open it because of compatibility issues? Or perhaps you’ve spent hours perfecting a spreadsheet, only to see its ...

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 ...

In accounting and administrative settings, it is common practice to "copy last year's Excel file to create this year's ...

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 ...

Excel is still my spreadsheet workhorse, but VS Code handles the awkward file-level jobs I don't want Excel touching.