OST to PST Conversion required when Exchange Server crash, accidental user account deletion, database corruption etc. As OST file stored on user system the information like emails and other data is still safe in OST file. But the OST file is unable to reach. In order to reach emails and other items instantly one must convert OST to PST format which can perform using OST to PST Conversion tool.
Need of Conversion from OST File to PST
The main reason, users prefer to convert their OST mailbox to PST file is the several issues of OST file that makes the OST file corrupted. Some of the causes are –
- Issue of Exceeding OST Size Limit
Size limit of OST file varies with various Outlook versions. In Outlook 2007, size limit supported was 20 GB, which increased to 50 GB in 2010/2013 versions. - Orphaned State of OST file
When the Exchange Mailbox deleted from the server, the OST file will become inaccessible leading to orphaned state. - Synchronization Problems
It raises if there is any interruption while the OST file synchronized with the Exchange Server. Since the OST file encrypted, decryption key of the Outlook profile needs to match with the one in Exchange Server.
OST to PST Recovery Software 