How to Open an XLS File in Excel. 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 ...

Open Microsoft Excel and press "Ctrl-O" to bring up the Open dialog window. Navigate into the folder containing the files. Click the file type drop-down menu and select "Text Files (.prn,.txt,*.cvs)." ...

Whether you want to send a Numbers file to an Excel user or open an Excel document on your Mac with Numbers, we’ll show you the best route to avoid errors and prevent major disagreements between ...

While it’s not quite as easy as opening .docx files in Pages for Mac, it’s not an overly complicated process either. Here's how to open .xlsx spreadsheet files on Mac, iPhone or iPad.