34 votesAnonymous commented
My storage is being used by unwanted emails. Please add the facility to remove duplicate emails from the MAC version of Outlook as soon as possible.
The system also seems to have been confused by two email addresses for the same account - one as googlemail.com and one as gmail.com.
92 votesMicrosoft Support Tier 3 responded
Currently, Outlook 2016 offers the capability to set a delivery receipt confirmation on an email. Please provide more details about the feature that you would like to see.Anonymous commented
How do I set this delivery receipt confirmation?