Winmail.dat came from microsoft outlook 2007 & not opening in mac os.

always mail came from outlook 2007 in mac os that show winmail.dat and i had already fix this issue with "MicrosoftFixit50041.msi" but after that not resolved this issue..

please suggest ?

March 11th, 2015 1:06am

Hi,

Change the message format to Plain Text Html & See if the Problem occurs, as this is related to RTF issue.

https://support.office.com/en-gb/article/Change-the-message-format-to-HTML-Rich-Text-or-plain-text-de2acb3d-3330-42a1-b02a-5f582fc6e796

Followed by, Please follow the methods suggested in below article:

https://support.microsoft.com/kb/278061?wa=wsignin1.0

Install all latest updates for Outlook.

Regards,

Kingson

Free Windows Admin Tool Kit Click here and download it now
March 11th, 2015 4:06am

Hi,

This usually happens when the email is sent to you by someone using Microsoft Outlook, and you are using a non-Outlook email client.

As explained in the KB article shared by Kingson, you might have the sender(s) resolve the issue. Request them to send the message in plain text format will resolve this issue.

For more details, please refer to the mentioned KB article: https://support.microsoft.com/kb/278061

Regards,

Ethan Hua
TechNet Community Support

March 11th, 2015 11:06pm

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