Instant Solution: Use Stellar Converter for OST to extract important data from inaccessible OST after a system crash. In this post, we’ll discuss the solutions to retrieve Outlook data after a system crash, which may have damaged or corrupted the OST file. Thus, you’re not able to access your Outlook data stored in these files. A system crash is one of the major causes that may damage or corrupt the Outlook data files – PST and OST. Some common reasons behind system crash are malware infection, failing hard drive, corrupted Windows Registry, etc. System crashes are unpredictable and may happen due to many reasons. Also, you will get to know the step-by-step procedure to repair a corrupt/damaged Outlook data file and to retrieve the data. In this post, you will learn how to retrieve Outlook data after system crash. Summary: Outlook data files may get corrupt or damaged after system crash.