SysVita OST to PST Converter for OST file into PST conversion is what I would like to suggest here. It is an affordable and effective solution for the conversion of any size OST file into Outlook PST formats along with all the mail items including – contacts, tasks, notes, images, chats, drafts, appointments, attachments, calendars, sent items, and many more. The software allows you to perform bulk conversion of multiple OST files to PST formats with smart preview features. Download the free Trial Version of this converter software that allows you to export the first 30 items per folder.

The following features of this conversion software are listed below –

  •  Export multiple OST files to PST file in bulk mode.
  •  Export unlimited size OST file to PST, EML, and MSG formats.
  •  Supportable to convert OST file into Live Exchange Server, Office365, Gmail, and Yahoo & AOL.
  •  Provides 100% data security during the conversion or recovery process.
  •  No need to install the Outlook program for conversion.
  •  Repairs all the errors in OST file and makes them accessible.