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An Excel Workbook 2007 or 2010 business file enhanced with macros will have the XLSM file extension. If you have Excel 2007 or 2010, double-click the filename to open the file.
What happens when you want to edit a Microsoft Excel .xlsx file on a Mac, iPhone or iPad? While it’s not quite as easy as opening .docx files in Pages for Mac, it’s not an overly complicated ...