To Upgrade from Exchange 2010 to 2016 there is a number of tools available in the Online Marketplace. Shoviv Exchange Migration is a perfect solution for the migration of exchange mailboxes. This tool allows users to add multiple mailboxes from the source for the migration process without any fluctuation in the process. This tool is also capable of migrating source mailboxes to Live Exchange ( On-premises) or Exchange Mailboxes to Live Exchange Server.
There are some other blogs related tools: