With Office 365, your IT person will thank you when he/she has one streamlined system in place for everyone. Office 365 seeks to bring the many kinds of productivity programs out there together into one cohesive system that integrates all its programs together for optimized efficiency and effectiveness. Sometimes an office can have multiple operating systems, hardware preferences (usually PC vs. Mac), and even different versions of the same software. Accounting for all those variables can make the company IT expert go crazy, particularly when employees start to complain about compatibility issues, among other things. Put yourself in the shoes...