Besides backup, any IT division should have a disaster recovery plan. You will find a few tips below relating to the development of such a plan and to what issues one should pay special attention in the course of backup planning.
|exchange 2007, exchange 2013, active sync||3||34|
|export the mailbox data to .pst from office365 mailbox||8||52|
|Exchange 2013 - Recieve Connectors||4||21|
|ADFS: Step by Step to enable MFA with ADFS||16||27|