Free download OST changer tool and change your corrupt OST file to PST. The software provides an algorithm to change OST to PST without losing a single bit of information. After changing, all the data from the corrupt ost change to Outlook 2016 bit by bit. This perfect ost changer tool can be installed without installing Outlook and it will still change the ost to Outlook 2016. After changing to PST, data can be accessed offline in Outlook.