I was wondering if you have any documentation/community pages about Rally attachment integration with Sharepoint or any other similar application (wiki pages, etc), since I couldn't find anything relative.
We are looking it extract attachments and post it to Rally, so it can be easily accessible.
We don't have any integrations specific to Attachments, but I would recommend that you test out using a Web Link type of Rally Custom field. The following link has more information on this:
You can also create links to the attachments in any Rally rich text field (ie: Notes, Description etc....)