receivde mail as duplicate all the time

[Guest]

Hi, my outlook mail inbox always received same message duplicate sometimes
triplicate as same messgae. how can i correct just once mail message, not
duplicate or triplicate of same message?

 

[Brian Tillman]

Hi, my outlook mail inbox always received same message duplicate
sometimes triplicate as same messgae. how can i correct just once
mail message, not duplicate or triplicate of same message?

What version of Outlook?