OST file is one of the database files used by Microsoft Outlook. Its main purpose is to serve as an enabler for working offline even when the connection to Exchange is not live. In such scenarios, the changes you make are later synced to the Exchange Server when the connection is back live.

If there are any errors or corruption issues in the OST file, the information stored within it comes under risk. This is mainly due to the fact that OST files, unlike PST files, cannot be opened…

If you have an orphaned or corrupted OST file then EdbMails OST Recovery tool that Convert OST file to PST is exactly what you need. Retrieve all OST contents including attachments, all email properties like cc, bcc, to/from address with just a few click using EdbMails.

Some of the reasons for OST corruption can be:

Network issues leading to synchronisation errors

System failure

Abrupt termination of Outlook

Virus or other such malicious infection

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