JDR OST to MBOX Converter Software easily recovery of OST File data and migrate large scales of OST File to MBOX format, the software provides the best migration facility. You can Export OST to MBOX that will supports MBOX files of Apple Mail, Thunderbird, Entourage, Eudora, SeaMonkey, Netscape, Opera Mail and many more emails services.  Read more -https://appsource.microsoft.com/en-us/product/saas/justdatarecovery1750927363035.jdr-ost-to-mbox-converter?tab=Overview