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DestructionE's avatar
DestructionE
Copper Contributor
Aug 05, 2020

Documentation for Outlook specific attachment types?

I'm a developer working on a Python project called "msg extractor" that is able to open and understand a good portion of the .msg file format, the format the Outlook saves messages in. While trying to expand it's capabilities, I came across a specific type of attachment only noted in the documentation I could find as being in "Application specific format" (Property PidTagAttachMethod, value afStorage). While I can't reasonably add support for formats from every singly email program, I would like to be able to add support for any attachments that Outlook might create. As such, I was wondering if documentation on the types of attachments Outlook creates has been published anywhere?

The specific attachment that I keep finding has to do with having a signature that contains an image.

Thank you for your time.

 

Note: I already tried to ask this question in a different Microsoft community.. After a chat with Microsoft support, I was forwarded to this community. You can see the original post here: https://social.msdn.microsoft.com/Forums/en-US/23a59f78-44aa-4346-9424-e17b2785254b/documentation-for-outlook-specific-attachment-types?forum=outlookdev

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