To overcome from corruption issues and recovery of your data from FAT and NTFS file system you need to use Windows Data Recovery Software.
To repair your damaged OST file you can use OST to PST Converter Software which can instantly repair ost file and extract OST to Outlook PST effectively.
When Outlook profile is corrupted & user need to access mails, calender, contacts, notes etc data then user need to repair pst file using third party tools.
To access corrupted Novel GroupWise mailbox and switch over the network user can use groupwise to exchange migration tool which easily swift GroupWise mailboxes to PST or EDB.
Run the Exchange Recovery tool to regenerate the severely corrupted EDB mailboxes while ensuring the native email properties. The software is calibrated to perform EDB to cloud-driven Office 365 migration.
One can access emails from any of the MBOX clients with MS Outlook by using an advanced MBOX to PST Converter tool. It can convert MBOX, MBX and MBS file to Outlook PST, MSG or EML and supports the latest version of Windows 10.