Mainly users are suffering from this case on how to repair damaged OST files to PST? and more formats and Use this Enstella OST to PST Recovery Software. Need to convert multiple OST files to PST at the same time, Now use the bulk conversion. you can see your data in the conversion process by the preview option and use this split option for big OST files to break into small sizes of PST files. You can use this software with a free demo version that works as full version software and export 25 items from every folder of OST. And after they are satisfied with the demo they buy the software.