As you know that the most of the organizations use Outlook 365 and looking to import PST to Office 365. Then in this case I would like to recommend you this professional import PST to Office 365 tool that can easily helps the user to
import multiple PST files to Office 365 including Primary Mailboxes, Groups, Public Folder and Archive and Shared Mailboxes.
This PST to Office 365 Migration Tool helps te users to import Outlook mailbox to Office 365 including such as contacts, emails, tasks, calendars etc. You can easily import PST files to Office 365 without any PowerShell commands. Import PST to Office 365 tool helps the users to maintain hierarchy all proper folder and files. It maintain the data integrity and will not change anything in original formatting.
This Import PST to Office 365 tool has strong algorithm that allow the users to import all types of emails data in one process of PST to Office Migration. It GUI is very simple and user friendly and no need of any technical skill, All users both technical or non technical can easily use this software. Before using full product you should use it free demo version first to analyze it features and functions.