1. Try SysTools Office 365 Import Tool to upload Outlook PST file Emails, Contacts, Calendars, Tasks into Office 365 account.

    paid Free Trial $99.0 / One-off (Minimum 100 MB of free hard disk space)

  2. DataHelp PST to Office 365 migration tool will help you to migrate Outlook to Office 365 cloud platform. This software will migrate entire data emails, contacts, calendars, tasks, etc.. from PST to Office 365 account.

    freemium $49.0 / Annually

  3. A large set of useful and easy-to-use tools for every Microsoft Outlook user: Import, export and convert using EML,MSG,TXT and PST formats; remove duplicate items, process attachments and extract addresses; get reports and statistics and even more...

    paid Free Trial $14.95 / One-off

  4. EML to PST Converter is an ultimate email conversion and migration tool.

  5. This free utility quickly splits large MBOX files into separate message files in EML format.

  6. Import PST file to Office 365 mailbox using Office 365 import service. Tool to migrate Outlook PST emails, contacts, calendar & tasks to Office 365 account easily.

  7. Download MBOX to EML Converter Expert tool for Windows to convert emails from Thunderbird to EML or multiple MBOX file to EML and EMLX.

  8. Converts email files to Microsoft Outlook profile or MS Outlook PST data file.

  9. Transfer Multiple Outlook MSG files into EML and EMLX format for Windows, MAC and Linux Operating Systems. Safe MSG to EML Converter Expert Free Download.

  10. EML to PST converter wizard allows users to convert multiple EML files to PST with all data like attachments. By using this tool users can perform conversion of EML files in batch & save into a single PST file.

  11. DataHelp EML to Office 365 migration tool is one of the best tools to migrate EML emails to Office 365 account with all attachments. The software will import entire data into Office 365 without any data loss.

    freemium $49.0 / Annually

  12. Archive Outlook data manually or automatically using Free PST Splitter. Split PST files by date, size, folders, accounts. Copy, move or split Outlook PST file.