Catch-up (Mark all Articles Read)

      NEWSGROUP - Mark as Read (Catchup) [Ctrl + Shift + C](also available in the right-click  Group Pane Popup menu)
Mark all articles as read for the selected newsgroup(s).
Options: Set in "View - Global Options - Preferences"

1.   You can configure Gravity to apply the catch up command to local articles only (default) or to both local and server articles.2.   On the same tab, you can configure Gravity to mark articles cross-posted to other groups as read also (if you have enabled cross-post management for the server).