If you want to migrate PST files to Office 365 cloud platform, then I would suggest this PST to Office 365 migration tool. Using this software, you can easily migrate Outlook PST to Office 365 platform. The utility exports those PST files that users want to convert. It supports manual search of PST files.The conversion program supports PST to Office 365 for which it needs access of the particular account.
Read more :- https://www.osttopstapp.com/pst-to-office-365.html