Version History

July 14, 20222.20Major Update

This update introduces a new feature - an option to change Data file size before conversion

New Feature:

  • Increase maximum file size allowed by Microsoft Outlook. In case you are converting a huge file (50GB or larger), conversion would fail. By increasing the maximum file size, you can avoid failing conversions!

April 30, 20202.14Major Update

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

Functional Changes:

  • Updated the error message in case product cannot be started;
  • Added a hyperlink to Outlook Toolbox website in case conversion process fails;

June 18, 20192.13Major Update

The new version of OST2 has improved OST files conversion process. Also, new feature - recover files from corrupted or unreadable folders. Try it today!


October 5, 20182.12Major Update

The updated version of OST2 will convert and transfer calendar events and tasks even with the latest 2018 Windows October Update.

September 14, 20182.11Major Update

The update includes a number of fixes reported by our customers.

Issues Fixed

OST2 Issues:

  • Conversion would get stuck after PST file reaches maximum allowed size. A new error will be shown when such situation occurs;
  • Application would close unexpectedly when converting specific file;
  • Files would fail to convert if application files are stored on a network drive;
  • Application was working incorrectly when architecture of the program would not match the system architecture;
  • Additional message has been added that is displayed if Outlook is installed, but no Outlook profile is setup when starting the application;
  • Other minor or cosmetic bug fixes.

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I wasted half a day trying to find a free application to convert an OST file to a PST file. Believe me the free solution does not exist and my time was worth a lot more than the $50 I spend on..."
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