For very small company looking to reduce their cost, migration from Exchange to Office 365 would be an ideal option. Microsoft Office 365 is a secure cloud based collaboration tool helping you access Microsoft office tools online. There are a lot of concerns when doing migration from a current exchange or outlook to Office 365 cloud. Security is paramount and you have to make sure you have the back up of the emails either locally or on cloud. To migrate to Office 365, you can import the PST using Migrationwiz or import directly and start using Office 365. Office 365 hosted email and office package starts from 4.99 per month per user which is ideal for 2-10 business people company. It offer features such as Cloud-based email using your own domain name, shared calendars, Configurable anti-spam filtering, Active Directory synchronization and Live 24 x 7 IT customer phone support.