Using eSoftTools OST to PST Converter tool, quickly retrieve Outlook mailbox contents from OST files. Retrieve emails from OST file of any MS Outlook edition with ease. Get back contacts, calendars, and other Outlook items from OST files, in addition to emails. Retrieve data from OST files and export them to other file types, including- PST, EML, MSG, HTML, MBOX, and so on. Convert or retrieve one or more OST files in a single process.