I would like to recommend you Enstella OST to PSTConverter tool that easily migrates OST to Outlook PST. This Software supports all versions, and it efficiently holds data of MS Outlook in an offline folder to access the data without connecting to the internet. The file size is not an issue to get satisfactory conversion results. You can download the free trial version which converts few items from each folder
Ost to pst recovery software is the best tool to recover all the ost file data in to pst file. Stella ost to pst recovery software recover all the ost file data into pst file. Stella ost to pst recovery software recover 32bit and 64bit ost file data in to pst file. Stella ost to pst recovery software recover all the unmounted ost file data in to pst file. Stella ost to pst recovery software recover all the corrupted ost file data into pst file. For more info visit this link https://www.stelladatarecovery.com/email-migration/ost-to-office-365.php
OST files often prone to corruptions due to few unforeseen reasons such as malware attack, Hardware-Related Issues, bad sectors on hard drive, Unexpected power failure or system crash etc. EdbMails OST recovery is the perfect approach for the recovery of OST file and to convert OST file to PST file. It can recover and convert an inaccessible OST file into PST. It recovers accidentally deleted, orphan and disconnected OST files.
EdbMails OST to PST Converter tool helps to export all the mailbox items including emails, tasks, calendars, contacts etc. It also supports to save OST in formats EML, HTML and MHT.
Highlights of OST to PST Converter:
• Recover healthy, Ransomware affected and corrupt OST file