Understanding Microsoft 365 Mailboxes Improves Efficiency and Saves Money Share Article Email expert discusses Microsoft 365 Mailboxes, their types and productivity features that help organizations save time and money—in a new article from Messaging Architects Understanding the different types of Microsoft 365 mailboxes and related tools will help businesses communicate more efficiently and save license costs. HOBOKEN, N.J. (PRWEB) April 09, 2021 Messaging Architects, an eMazzanti Technologies Company and Microsoft 365 email expert explains several kinds of useful Microsoft 365 Mailboxes and their associated productivity features in a new article. The informative article first lists the mailbox types, including Distribution Group, Resource, Contacts and Shared.