Winmail.dat attachments after importing PST into online archive

Hi, we enabled the online archive feature on one of our Office365 exchange account. Later, we used the PST capture tool to import a PST file into the archive. Now after importing, the user came back saying he sees winmail.dat files as attachments. Prior
to uploading the PST to the online archive the attachments were visible normally. The PST file belongs to the same user. Its an old PST file attached to his mailbox since a long time. We then subscribed to the online archive plan for his account and used the
PST capture tool for importing the emails. To isolate the cause of the issue we tried dragging an email with an attachment from themailbox to the online archive from within Outlook. The moved email appeared correctly with attachment in his archive. We have
not tried importing the whole PST from within outlook, as the size of the PST is too large (32 GB). Could someone please help resolve the issue.
Thanks in advance.

I recommend that you post this in the Office 365 Exchange Online Forum: 
http://community.office365.com/en-us/forums/158.aspx
Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."

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