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How to Update OST PST Viewer to Latest Version

5 min. readlast update: 10.18.2023

There are several steps to take into consideration when updating to the latest OST PST Viewer version:

  • Current OST PST Viewer version number
  • Checking if an update is available
  • OST PST Viewer license validity
  • Updating method

In this article, we will discuss all these points.

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Why is it important to keep the OST PST Viewer version up to date

Because of outside factors like Microsoft Outlook or Windows version changes, OST PST Viewer needs to change as well to keep up. With each new OST PST Viewer version, new functionalities can be introduced, bugs fixed, old functionalities discontinued. Most importantly - our general policy is to not provide support for old OST PST Viewer releases.

OST PST Viewer new version releases come out every few months unless there is urgency and there is a need for a patched build.

How to check the current OST PST Viewer version number

Step 1. Launch OST PST Viewer application. Click the File button located top left of the app and select About from the menu. 

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In the About window, you will see the version of the application written on top.

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You can also check the OST PST Viewer version in Apps and Features.

Step 1. Right-click the Windows Start button and select the Apps and Features option.

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Step 2. In the Apps and Features window, locate the 4Team OST PST Viewer application and click on it. The version number will be visible there.

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You can also check the OST PST Viewer version history page. Inside you will see the latest version number at the top of the list.

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How to check if an update is available

Step 1. Launch OST PST Viewer application. Click the Help button located top left of the app and select About from the menu. 

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Step 2. In the About window, click the Check for Update button and select the Check for updates now option from the drop-down menu.

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You will be redirected to an OST PST Viewer web page where you will see if an update is available. If an update is available, you will see download options. 

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If you have the latest version already, there will be nothing new to download.

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How to check license validity before updating OST PST Viewer to the latest version

It is very important that your OST PST Viewer license would be valid if you want to update to the latest OST PST Viewer version. If you try to update with an expired license, OST PST Viewer will revert to a Free version.

Step 1. Open up your browser and go to the 4Team Members Area page. Log in to your 4Team Members account.

Step 2. Once logged into your account, click the My Activations option located on the left side of the page. 

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Step 3. On the My Activations page, you will find your activation keys and you will be able to see your license Status.

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How to update OST PST Viewer to the latest version

There are two most commonly used methods to update OST PST Viewer. Updating via OST PST Viewer app itself or uninstalling the old OST PST Viewer version and installing a new one.

Method #1

Step 1. Launch OST PST Viewer application. Click the Help button located top left of the app and select About from the menu. 

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Step 2. In the About window, click the Check for Update button and select the Check for updates now option from the drop-down menu.

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You will be redirected to an OST PST Viewer web page where you will see if an update is available. If an update is available, you will see download options.

Step 3. Click the Install Update button.

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Step 4. A setup file will be downloaded, wait for the download to finish, and run the setup file. If you cannot find where the setup was downloaded, click CTRL+J combination in your browser for the Downloads page to open.

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Step 5. Launch the setup file and it will ask if you want to perform an upgrade of OST PST Viewer. Click the Yes button.

Step 6. Follow the setup wizard until the installation is complete.

Method #2

The second method involves uninstalling the old OST PST Viewer version via Apps and Features and then downloading and installing the latest OST PST Viewer version directly from the website.

Step 1. Uninstall the current 4Team OST PST Viewer application you have via Settings > Apps > Select 4Team OST PST Viewer application and Uninstall.

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Step 2. Visit the OST PST Viewer website and click the Download button top of the page.

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Step 3. On the Downloads page, click the more Download Links option.

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Step 4. Close the Thank you for downloading OST PST Viewer popup or subscribe if you haven't already.

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Step 5. Select the correct download link for your Outlook bit version. To find out what BIT version Outlook you have, please follow the How to find Outlooks bit version article.

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Step 6. A setup file will be downloaded with x64 or x86 at the end of its name to help you distinguish the setup file from the one downloaded previously. Make sure you run the installation of the new file with a longer name. 

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Note: x64 is for 64-bit Outlook and x86 is for 32-bit systems.

Step 7. Run the installation file, follow the installation wizard and finish installing the OST PST Viewer application.

Tips:

  • It's always a good idea to re-check the OST PST Viewer version after an update to make sure it's the latest one.
  • Do not update OST PST Viewer to the latest version unless your license is valid.
  • Make sure you install the correct BIT version of OST PST Viewer to match the Outlook BIT version.
  • OST PST Viewer does not auto-update. Update always needs to be done manually.

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