In comparison, an XLSX file is a regular Excel spreadsheet that doesn't contain this type of code and doesn't require any special steps to open the file and start working. Both the XLSM and XLSX ...

Find an Excel document on your desktop. Excel documents may use the extension .xls, .xlsx or .xlsm for workbooks, or .xlt, xltx or .xltm for templates. If you don't see file extensions on your ...