Having the problem where attachments sometimes don't show up in Windows Mail. The email size will show the "presence" of an attachment but no attachment option is available. This happens sometimes if receiving from someone sending from Outlook.
The "hide for virus" option for attachments has been deactivated.
On a Blackberry the attachment shows up as winmail.dat.
Our work email runs on Google apps. If I log into the web version of my email on Google apps, the attachment shows fine eg. pdf. If I then forward the email to myself from Google apps, and download in Windows mail, the email from myself then shows the attachment correctly. On a Blackberry the new emails show the proper attachments too.
OS: Windows 7 Pro (64-bit). Same problem with users on 32-bit as well.