Searching on the web, I found many queries related to Migrate Exchange to Office 365 mailboxes and thinking about my contribution as well.
To migrate Exchange to Office 365 mailboxes, Shoviv is providing a simple and secure solution named Exchange Server Suite. Through Shoviv Exchange Server Suite tool, users can migrate multiple Exchange mailboxes into Office 365 in a hassle-free manner. It also allows users to migrate Exchange, Office 365, Outlook Stores, EDB, PST, and OST data into Office 365, Outlook Stores, Live Exchange, PST, EML, and MSG. One can also make use of the trial version of this tool.