i can't do that. Its my office work of other party so really sorry... I hope u understand.
I really need to open this file. I try to serch over net & find some solutions but all failed
I downloaded compatibility exe from Microsoft too but nope its not working same invalid file error.
I try other extentions also like .xl, .xsl, .xml & few more but nope in some cases file works but with that weird text.