Everything related to this site other than the nominated threads that move to the new EA Forums will be erased when the site goes down. I'm not aware of any plans to allow users to export/delete DMs before that time. I'll share the link to the new EA Forums here as soon as we have one to share.
OR the pack is about to drop with a secret flare gun. You ever think of that? Huh? Since you got your degree and you know everything? Nah, I'll flag this for updating. Thanks for pointing it out.