Make “Request archive” just be a simple unnamed download icon button.
And after
Download an archive of your account activity and preferences.
just mention “you’ll get notified when it’s ready.”
And, many users just want their preferences not their activity, and many others want the opposite. So do consider not gluing them together. Have separate downloads. Or have all three buttons, A, P, A+P.
Okay, there’s certainly many categories in the zip.
Perhaps just have a bunch of checkboxes so that user can configure what he’s about to download.
And wait a second, what about importing preferences in?