There are many reasons when your OST file is corrupt or damaged. We categorize them in two sections like: Hardware Reason and second one in Software Reason:
Hardware Reason:
- Sudden Power Failure: when synchronization process in running condition and abrupt power connectivity cause OST file corrupt and damaged
- Slow Network Connectivity: due to slow network connection the synchronization of OST file is aborted and for this reason OST get corrupted or damaged
- Data Storage Appliance Failure: If hard disk has bad sectors and OST is stored in these sectors, it maybe your OST file is full of errors. Because of this reasons your OST file is can’t open appropriately.
Software Reason:
- Deficiencies in Outlook programs: Microsoft encounter error problem when OST file goes beyond limited size, it will corrupt.
- Synchronization Error: Connection between offline OST file and Exchange Server may lead so many inaccuracies like synchronization error, when you OST get corrupted or damaged during synchronization.
- Terminate Outlook Abnormally: Due to any reason if your Outlook is shut down abnormally when you are accessing your OST, for this reason your OST get corrupt or damaged.
- Virus or Other Malicious Software: Virus attacks or Trojan infection is the common reason for corruption in OST file.
- Incorrect File System Recovery: During corruption in OST file when your file system is broken and you tried to some data recovery software to recover your OST data on it, recover files may be corrupt and smashed.
Indication of Corruption in OST Files:
If your OST is cannot accessible easily when you connect Exchange server or while you open your OST data some error messages appear on computer screen.
Fix Errors of Corrupt OST Files using Scanost.exe
When corruption takes place in OST file you can use scanost.exe which is free tool offered by Microsoft ®.
When Scanost.exe fails to repair corrupt OST then you can use IbidInfo OST Recovery Software. It's a third party application available in two mode free or paid. You can use this application as per your requirement and repair your corrupted or damaged OST file.