You may consider Exchange Server Deployment Assistance a web based application just you have to select what kind of deployment you were interested and then its provide you step-wise instructions to get this job done: technet.microsoft.com/.../dn756393.aspx
Step by Step Guide - Migrating from Exchange 2007 to Office 365: blogs.technet.com/.../step-by-step-migrating-from-exchange-2007-to-office-365.aspx
Hope it helps you!