Easy and Proficient Office Upgrade software instantly Upgrade Office old version files 95, 2000, XP and 2003 to Microsoft Office new version 2007 and 2010; upgrade the office documents like .xls to .xlsx, .doc to .docx and .ppt to .pptx formats at every time. Advance xls to xlsx batch converter utility provides the helpful features of upgrade .xls to .xlsx files:

* New user friendly interface of the software
* After upgrading the file format to higher version like .xls to .xlsx, .ppt to .pptx and .doc to .docx carefully and securely.
* Open XML format helpful to understand office documents entire details
* Software creates an automatic folder with name/date after conversion

Try free demo version software of xls to xlsx batch conversion tool which is available at online (FREE of Cost) and by purchasing the full edition of the Office Upgrade software just in $49. More Details: www.systoolsgroup.com/office-upgrade.html

Скачать XLS to XLSX бесплатно на странице загрузки.