The main motive of using any third-party Exchange OST file recovery tool like OST Recovery software is to access the previously lost email data after the recovery i.e. to open Outlook OST file and make use of its contents.
Now, when you use OST Recovery software basically to recover your OST email data, which is actually done in this process is that your OST files are converted into PST files, which are easily readable in Outlook. So, after you use this OST2PST converter ssoftware to perform the OST file to PST file conversion and thus OST data recovery, the major thing is to open that Outlook OST file. So, for that, go to any client machine, save the PST file, which has been converted from OST, in the default location (C:\Documents and Settings\Administrator\Local Settings\Application Data\Microsoft\Outlook). Then, open MS Outlook and you can view all your Exchange OST mailbox contents there in this client machine.
Good news for you OST2PST Software full version is completely free for demo version you can convert mailbox items into PST file, OST converter Software easily convert all Outlook OST achieve, calendars and many more.