Washing Away Winmail.dat Worries
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Ever have someone send you an attachment only to end up with nothing but a stupid winmail.dat file? Irritating to say the least - having to deal with this in a work environment can become a hindrance to productivity. Well, this is not something that just happens to the non-tech types; it can happen to all of us. As a matter of fact, it happened to myself and someone that I work with. He was trying to send me an attachment with some information that I needed, but all I ended up with was that gosh darned winmail.dat file neatly tucked into the e-mail.
I, being a huge “know it all,” sprang into action with solutions that have worked for me in the past and promptly sent them to the person who had sent me the e-mail. Being the timely person that he is, my “co-worker” already had two resources that not only explained why this happens, but also what can be done to fix this problem.
Two great resources that he sent to me:
WMDecode for Windows: Designed to quickly and easily decode those pesky file attachments labeled winmail.dat or ATT00001.dat with minimal headache. Just download and install the program onto your PC.
Winmail.dat file prevention: Here is a great approach to keeping it from happening in the first place. Microsoft offers a handy resource for those interested in keeping this from being an issue. Provide this information to everyone that you work with and you will find this is a very preventable problem. It just takes some understanding and a little know-how.
A very kind thank you goes out to the person who sent these great resources to me, they are appreciated. It also gave me an opportunity to share them with the entire Gnome clan and perhaps prevent a little frustration from creeping into someone’s life! [Matt Hartley]

4 Comments
Thomas
May 10th, 2007
at 12:30pm
Another solution is to use an online extractor like http://www.winmaildat.com
It is not a good idea to use an online tool if you have attachments with sensitive data or you get a lot of those .dat files. But as quick fix they are quite helpfull.
Cheers Thomas
Christopher
October 29th, 2007
at 3:29pm
On Mac OS X you can use the Mail.app Plug-in OMiC to open winmail.dat files.
Dan
March 5th, 2008
at 1:37am
Another solution would be for Microsoft to just remove RTF format from Outlook.
JAB_au
April 2nd, 2008
at 8:36pm
Dan have you ever known Microsoft to do something that would truly benefit it’s users like removing a feature (hindrance) like RTF from Outlook.