Originally Posted by hyperlite1215
I have the same problem. It happens when someone has sent me a doc file(not docx) that was created with Office 2007 (File -> Save AS -> Office 2000-2003 Document). Doc files created with Office 2003 works fine. Wondering if there are some headers that the Office 2007 puts in that the Blackberry doesn't recognize. Looking for a solution. Is this your problem?
This is a known issue depending on the the version of BES you use.
4.1.4 should have this issue resolved as well as the docx working