1.0 utf-8 yes 2.0 http://www.w3.org/2005/Atom http://purl.org/rss/1.0/modules/content/ xls vs Xlsx vs xlsm on File Format Blog https://blog.FileFormat.com/fa/tag/xls-vs-Xlsx-vs-xlsm/ Recent content......0/modules/content/ xls vs xlsx vs xlsm on File Format Blog https://blog...com/fa/tag/xls-vs-xlsx-vs-xlsm/ Recent content in xls vs xlsx vs xlsm on...