OST File Viewer is Windows-oriented utility compatible with all versions of Windows. The application is programmed with investigative and analytical prospective with outcome results suitable for forensic examination. OST Viewer is a freeware application which is developed to read MS Exchange local cached mailbox file i.e. Software is available online for download for further utility. Software went through multiple reformation and version upgrades. Tool was officially launched and released in 2013 in the range of other email file viewing products. OST Viewer was developed and officially processed by SysTools Pvt.
