Stella ost to pst conversion software is the best software to convert all ost file data in to pst file. this software is specially design to convert all corrupted and unmounted ost mailbox items in to office 365 account. This software is capable to convert all version 32bit and 64bit ost file. ost to pst conversion software convert all deleted items data in to pst file.
For more info visit this link
https://www.stelladatarecovery.com/ost-to-pst.html
