OST Viewer Freeware Tool is the best tool to view corrupted and damaged OST data files. It helps users, who are looking for an easy method to view their corrupted and damaged OST data files with ease. The software allows users to restore corrupted OST data files without any type of data loss. Also, The Software allows users to view corrupted OST data files quickly. The best tool facilitates three different modes to tackle OST file corruption, i.e Standard, Advanced, and Deep.