"dave weil" emitted :

And in Agent, it's under the Group dropdown "Mark all Messages Read"
(or Unread" if that's required) selected when the particular group is
open. Alternately, you can do it when in the Subscribed Groups list
window. You don't even have to open up the group.

Or, you can right click on the group while in Subscribed Groups List
and choose the same option.

It's even easier than that.. just press 'S'.


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