If you are Searching on the internet “How to Convert OST file to PST file” then don’t worry i am here for you. use this third party tool Regain OST to PST Converter where you can Convert your OST file to PST file easily. This Software has date Range option, With this unique and optional feature, you can easily select date range to filter and save PST, EML, MSG, MBOX, HTML, ICS, VCARD and Office 365 Platform. if you have any doubt then you can also use this software free trial version before buy this software and where you can convert OST file to PST file easily. This Software free trial version allows user to save 30 emails per folder at free of cost.
CheckOut this tool free trial version from here: http://www.convertosttopstfiletool.com