I have users in my work environment who created emails with a .PDF attachment in webmail. They sent the email to coworkers and the end users with Mac OS Outlook 2011 are unable to open the PDF files. Windows 7 users with Outlook 2010 are able to open the PDF files just fine. I have both a Windows 7 laptop and a MacBook Pro with 10.7.5 OS all fully updated and get the same issue. This almost appears to be an encoding/decoding error. Just to throw another piece into the puzzle if the user or myself forward the email back to ourselves we are able to open the PDF just fine.... 

The exact error we get is as follows:

"Acrobat could not open "******.PDF" because it is either not a supported file type or because the file has been damaged (for example, it was sent as in email attachment and wasn't correctly decoded).

Does anyone have any ideas? 
How do I find my original email attachment in a thread? I seem to always get the last reply and can't forward the original...can we revert to the old understandable hotmail.  Even if I save (as I had done) my original email in a seperate folder, it insists on giving me ALL associated replies when i access it.....help!!

I attached a 14 page, scanned document to an out going email and got the following message, “Message size exceeds maximum permitted”.  What can I do to be able to send larger doc attachments? This email keeps trying to be sent each time I hit the send/recv button. How do I stop this? Where is this email stored so I can delete it?

Thank you

I want to click on an email attachment to preview it before I download it. Is this possible? I am forever having to clean out my download folder.