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.
When I open an Excel file that I've been using for a long time,I sometimes wonder, "I wonder when this Excel file became so ...
"Are you still using this Excel file?"When looking through shared folders at work, you may sometimes find several Excel files ...
As PCMag's resident data journalist, I practically live in Microsoft Excel. I've learned that it's capable of far more than I ...
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