How to convert OST to PST without Outlook?

Quickly convert OST files to PST with Outlook with the use of eSoftTools OST to PST Converter Software. It comes with friendly user interface, technical and non-technical users can smoothly operate the software. It quickly convert OST file which creates from Exchange Server, IMAP, Outlook.com and Office 365 into PST files and other multiple formats such as EMLX, vCard, Yahoo Mail, Gmail, Zimbra, HTML, MBOX, EML, Office365, etc. Before purchasing this software, users can free conert 25 items of OST mailbox with the help of free demo version of this tool. You want to convert free 25 items of OST mailbox so you can try from the website of eSoftTools.