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Version History

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.

August 10, 20181.10Major Update

The update includes a new feature – printing Outlook items. Viewing items without Outlook performance was greatly improved – now more than 1000 items can be viewed. A lot of other functional updates and issues were resolved.

Functional Updates

  • Ability to print files from application.
  • Increased software performance.
  • Reply will include message, you are replying to

Issues Fixed

  • “Conversation History” folder from “Skype for Business” is correctly displayed
  • Recurrent calendar events are properly displayed.
  • Other minor or cosmetic bug fixes.

March 7, 20171.01Major Update

The purpose of this update was to fix the issue of orphaned OST files opening in read-only mode and users not being able to “Export” to any format even if Outlook was installed on machine.Also, several other issues were fixed.

Issues Fixed

OST PST Viewer Issues:

  • Orphaned OST files could not be converted even if Outlook was installed.
  • PST Viewer not set as default PST and OST files opening program on Windows 10.

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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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