winmail.dat ? is there a way to avoid it?

zorak16

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Jan 14, 2014
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Hello,
I have a problem at work where one of our users would send an email (via Windows 7, Outlook 2010) with a jpg attachment to two of our creative directors (both on OSX 10.9, using the default Mail app). One of the creative directors receives the email and is able to access the attached file w/o issue. The other receives a winmail.dat file that they cannot open.

I understand there are programs/apps that can view the file, but is there a way to avoid this all together?

We have had this setup for a month now and have not had issues.

Any clues? Would it be on the Outlook end or the OSX mail app end? Perhaps an update?

Thanks in advance,
Zorak16
 

zorak16

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Jan 14, 2014
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I believe I found the solution. One of the OSX users had their mail configured for Plain Text format and the other one (the person who successfully received the emails) was configured for Rich Text format. As far as I know, Outlook always sends in Rich Text format. I changed the user's email client to accept Rich Text format and that solved it.
 

jeremywshoe

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May 8, 2015
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You can avoid this by setting the client to use HTML format when sending. This option is available under options and mail. I am currently looking at Outlook 2013 but as I recall it also exist in 2010.
 

zorak16

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Jan 14, 2014
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Never mind that was not the solution. The one user is still receiving winmail.dat files instead of the proper attachment. One last info that I did not mention initially is what has changed (as far as I know).

The Mac user who is having issue recently upgraded from a crappy old Tiger OSX (10.4) to the 10.9 Maverick OSX. This is all that has changed.
 

zorak16

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Thanks I will try that momentarily when I have access to the computer sending via Outlook. The only reason I do not like that solution is because it doesn't address why two computers with the same OSX would have different reactions.
 

zorak16

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I just went on the Windows user's computer. Outlook was already configured for HTML. Any additional solutions? Thanks jeremywshoe for the help so far.
 

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