MS Outlook users often come across OST file issues which are due to different expected and unexpected reasons. Offline storage table files of MS outlook are very susceptible to any unusual handling of software or hardware. Most common causes of OST file corruption are data storage device failure, networking connection failure, power failure, incorrect file system recovery, Exchange downtime, virus or other malicious software, abnormal Outlook termination, synchronization error, large OST file size etc. All such factors adversely affect integrity and consistency of OST file and further OST file become inaccessible. In such cases, when you try to access your email data, various error messages are displayed on the screen. Continue reading →