For PST to Office 365 Migration I want to Recommend you this amazing utility Regain PST to Office 365 Migration Software that will help you to Migrate PST file to Office 365 Account.

This Software easily Import PST file to Office 365 Account including contacts, calendars, emails, appointments, and attachments etc.

You can easily try this software free demo version where you can also save 30 emails per folder at free of cost. 

 If you are looking for a simple solution to import PST to Office 365, then try this Regain PST to Office 365 Migration tool that can easily Import PST to Office 365 Account in just simple and easy process.

This software is completely provides safe and quick support to import PST to Office 365 in bulk.

You can also Export your PST file to Live Exchange Server.

This software shows the Preview of all emails items before the conversion.