PST to Office 365 Migration Tool
Step 1: Create a CSV file which contains: PST file Path, Office 365 User ID and Passord as shown in given below screenshot.
Step 2: Open the software and click on Bulk Export button.
Step 3: Click on Browse button and select a CSV file. Now select PST files do you want to import, choose "Export to Primary Mailbox" from Export options and click on Next button.
Step 4: The software will import selected PST files to Office 365 primary mailbox. You can check the status through progress bar.
Step 5: You can check that PST file data have been imported to Office 365 primary Mailbox