Offline folder files or the OST files are typically the replicas of your mailbox folder in Exchange server. What will happen if your Exchange server mailbox gets deleted due to any possible reason?
Obviously, your entire mailbox data may get lost, but there is still something left in your OST.
Currently, the issue that arises is how can you access your OST file located at local system?
One single recommended option for accessing inaccessible OST file is conversion of OST into PST format. You can try
OST to PST
Converter. Data recovery of OST-files of all versions of MS Outlook with whole directory structure of the original ost-file: messages, attachments, contacts, appointments,
contacts and notes.
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