Access OST PST - Version 5.2 When an Outlook OST user become unable to work offline then it means there could be so many causes under which OST can corrupt such as Exchange Server get down/Exchange Server crashed suddenly/Virus affections/LOG file error/User database corrupt/hardware issues like hard disk issue/hub or router inaccessibility and many more other reasons etc. In that case Enstella Access OST PST tool proves so much familiar to understand the issue exactly. OST to PST exporter tool generally performs effectively to repair OST file and recover OST mailbox immediately. Once OST PST recovery program recover OST to PST, it quickly convert OST to PST completely and then easily export OST file to PST file format and finally user gets permit to access OST PST or can access Outlook OST data within PST application easily. If you are facing the same issue as above discussed then just go for Enstella Microsoft software now to open OST to PST