SysInspire OST to PST Converter is the best software that allows users to convert OST files to PST format without any cost. It can recover data from corrupt or inaccessible OST files and save them in a new PST file. And Additionally, it supports the recovery of various types of data such as emails, contacts, calendars, and attachments from OST files.
Know more:- Free OST to PST Converter
If you are looking for free software to convert OST to PST, you can read this article, It has discussed the best and cheapest OST to PST Converter Software. These software are selected by experts and It can easily convert OST to PST in bulk without any data loss. These have also a demo version in which you can freely convert 50 emails per folder.