| Version | Change log |
| ZOOK OST to PST Converter 4.0 Jul 20, 2017 | The new features of ZOOK OST to PST Converter have made it powerful utility which easily converts large size OST files into PST format. Now, the utility offers to split and merge OST files in an efficient manner. The tool can easily split large size OST files into smaller segments. Moreover, it also offers to create a separate PST file for each OST file or merge multiple OST files into one. The tool also offers to remove extra predefined folders from OST files before the conversion process. |
| ZOOK OST to PST Converter 4.4 Aug 3, 2021 | Supports Microsoft Outlook 2019 OST Files |
| ZOOK OST to PST Converter 4.0 Aug 14, 2017 |
