"Effortlessly import Outlook PST files into Office 365, Exchange Server, Gmail, and other Outlook accounts using this free tool." (22 words)

This utility offers several importing options such as: importing PST files to Office 365 and Exchange Server mailboxes, archiving and shared Office 365 and Exchange mailboxes, Office 365 and Exchange Public Folders, and any other mailboxes, data files, or Outlook stores.
The advanced utility provides a multitude of benefits. Some of these include the ability to import emails and other Outlook items with attachments, safely migrate PST files to Office 365, skip previously imported items, and use additional import filters. Users can also import PST files into Office 365 and Exchange Public Folders and Online Archive mailboxes. The tool also supports batch importing of PST files into Outlook, Office 365, or Exchange, and offers fast PST import using parallel execution using command line.
Overall, this free tool provides a wide range of importing options and advanced features, making the process of importing Outlook PST data files much easier and efficient.
Version 4.20: New features and enhancements.