My problem here is, rather, what does "Sweep" even mean? (I'm not an an Outlook user.) I can imagine some housekeeping or clean-up task, but there must be a mor

My problem here is, rather, what does "Sweep" even mean? (I'm not an an Outlook user.) I can imagine some housekeeping or clean-up task, but there must be a more precise concept and wording for this, for sure.