We have a requirement to collect statistics on all mail with file attachments. Namely, which file types are being attached and in what quantities by our users on our Exchange server. Is there a way to achieve this either out-of-box or with plug-ins or other tools? The only method I've found so far is to run the export-mail command searching for file attachments using a wildcard to return all mail with file attachments but this would be unfeasible since it would either (I'm not sure) move mail from all our users mailboxes to another or duplicate all mail with file attachments which we don't really have space for and either way manually collecting statistics on that amount of mail would take forever.

Ideally you'd acquire a product that actually does this. I suppose you could use multi-mailbox search, though it seems horribly inefficient. You would need to know what attachment you're looking for. Search for "attachment:rpmsg " in this article. or "hasattachments:true" in this one. Mike Crowley | MVP My Blog -- Planet Technologies