Version History

June 25, 20201.22Major Update

This update fixes an issue where application would fail to launch on a machine that has Microsoft Windows May update version - 2004.

May 4, 20201.21Major Update

The hotfix resolves the issue where application would not fully work when the recent Microsoft Outlook update 2003 or 2004 would be installed.

April 22, 20201.20Major Update

The update introduces body search for emails, and even more items that can be viewed.

Functional Changes:

  • You can now search through body of emails through quick and advanced search.
  • Now items will be displayed even if they are not default type. This will result in most items being displayed by the application.

Issues Fixed:

  • In case there were multiple search criteria of the same type, only the last criteria would apply. With this update, all search criteria of the same type will apply simultaneously.

September 13, 20191.12Major Update

The update addresses a major issue with latest Windows Updates. Some other functional changes and fixes are included as well.

Issues Fixed:

  • Application would close unexpectedly when started on a machine with Windows 10 May Update (1903) in certain environment (64 bit).
  • When attachments would be opened with a certain file name, application would close unexpectedly.

Functional Changes:

  • Added a guide on how to export item to a PDF file for Windows 10 PCs.

October 9, 20181.11Major Update

The updated version of OST PST Viewer will open OST and PST files which are connected to Outlook even with the latest 2018 Windows October Update.


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Outlook is unstable when your files get big. I've wasted days of time and lost lots of data trying to manage the files and archives. OST PST Viewer and PSTSplitter solved all of my problems. "
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