| Version | Change log |
| OST PST Viewer 1.22 Jun 25, 2020 | Updated PST OST Viewer detects more items in every folder. Has advanced search and can find specific data in the body of emails. |
| OST PST Viewer 1.20 Apr 22, 2020 | Updated PST OST Viewer detects more items in every folder. Has advanced search and can find specific data in the body of emails. |
| OST PST Viewer 1.12 Sep 13, 2018 | The update includes fixes regarding simplifying the usability for printing PDF files. Also changes related to operating system in Windows 10 (64-bit) environment. |
