If you require a professional method for uploading PST files to Office 365, the top choice is the DailySoft Import PST to Office 365 Software. This software can import your PST file to Office 365 with just a few clicks. This incredible program enables you to automatically transfer Outlook PST files to Office 365 with all email properties, such as contacts, attachments, sent items, and more. When importing software, make sure it cannot make any annotations. This software is compatible with all versions of MS Outlook and Windows OS.