Hey guys! Someday I got an error messages which states that data file not closed properly at the times when I Open MS Outlook 2007 data file on my desktop. After getting error message, I ignored it and assumes that everything has just fine. But these days it has become very serious problem because it constantly appear whenever I try to access my email or mail account in MS Outlook 2007 and sometimes I unable to turn on MS Outlook. I am really too much worried for my Outlook data file. If you have any solution to solve Outlook 2007 data file not closed properly error then please suggest me!.