Do you want copy over whole storage from old server to new one and connect it (mount) in Exchange ?- Yes, from old server to new server
You not supposed to play with Exchange 2007 anymore this days.- That is a matter of opinion, not fact. Exchange 2007 Standard is currently in extended support by Microsoft until 04/10/2017. Therefore the product is still valid.
- I haven't mentioned anything about Outlook 2016? I'm fully aware of client-side compatibility, hence the reason I haven't included this in my question.
New Office 2016 is not compatible with old Exchange.
Do you want copy over whole storage from old server to new one and connect it (mount) in Exchange ? )
You not supposed to play with Exchange 2007 anymore this days.
New Office 2016 is not compatible with old Exchange.