I have a solution to import MBOX to PST file format. Fast add multiple MBOX files to be converted to PST format. this tool allows us to Migrate multiple MBOX files to PST. MBOX to PST converter is compatible with all Windows or Outlook versions whether old or new.there are No file size limitations to convert MBOX to PST. It exports emails along with its components like attachments, To, CC, BCC and From.