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Re: [SOGo] Winmail.dat Invites

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  • Subject: Re: [SOGo] Winmail.dat Invites
  • Date: Wed, 29 Aug 2018 21:54:29 +0200
  • Dmarc-filter: OpenDMARC Filter v1.2.0 3656F1DE4FE9

The description sounds good and it seems to be in active development.

And he seems to be willing to add new features. Maybe he can learn from your problem, from my comments and from the links below.


"If you want additional information exported (to the vCalendar or vCard information), then use the -v option to try & find out where the information is. Then send the winmail.dat file, along with the -v listing to me ( ) along with some information & justifications. It works best if you send several data files, showing the option in various states to back up your claim. For example, if you want me to parse recurrence patterns encoded in the TNEF stream, then send yourself several meeting requests with almost identical information, and several different recurrence patterns, and (hopefully) the only fields that change will the the UID & the recurrence information."

Am 29.08.2018 um 20:58 schrieb Bob Wooldridge ( ):

Thanks for the suggestions.  I found this and I wonder if it might work?

-------- Original Message --------
Subject: Re: [SOGo] Winmail.dat Invites
From: ( ) < >
Date: 08/29/2018 01:38 PM

Hi again,

this maybe does not work for your problem.  :/

At least calendar entries in winmail.dat files are not send as *.isc, instead they seem to be embedded in MAPI (Microsoft proprietary Messaging Application Programming Interface).

This software for MAC can decode this:

But it seems   can not  (please read this):

Someone would have to extend  to contain the MAPI decoding and conversion to *.ics.  The original author doesn't do active development anymore.



Bob Wooldridge
EDM Incorporated

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