Installation Instructions


Prior to installation:

  1. You need to have Windows® Administrator rights in order to install OST PST Viewer.
  2. Download the latest version of OST PST Viewer setup file and save it to an easy to find place.

Installation steps:

  1. Close all open programs.
  2. Install the previously downloaded product by opening/clicking the "setup" file from the location where you saved it. Follow the instruction on the screen. Installation is required on every team members' computer.
  3. Open OST PST Viewer
  4. You are now ready to start using the program!

If installation was interrupted or incomplete. Prior to reinstalling OST PST Viewer, please perform the following:


  1. Uninstall Product (Start-> Control Panel-> Add or Remove Programs).
  2. Select OST PST Viewer and click Uninstall
    • Please refer to our FAQ & Troubleshooting section of the HELP documentation.

Our customer support will be happy to answer all your questions regarding product installation and functionality, by email or through Live Help Chat/Feedback, over the phone at: (954) 796-8161.



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Customer Testimonials
4.8 - 295 reviews
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. "
C Shepard See more
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