Free PST Viewer to open PST file without Outlook

If you are a Microsoft Outlook email client user, you must have known the Outlook Data File (.pst). But if you have a PST file and looking for an Outlook PST reader application to open PST file, then this article is for you.

Here I have shared the best and free PST viewer which is able to open PST files without Outlook. But before that, we will have a brief overview that what is a PST file?

PST, PST file, or PST extension

.PST is a mail file format created by Outlook, which stores mailboxes of all users inside it. It is also known as a personal storage table (PST). Using this, the user can open and read the downloaded mailbox in any Outlook without an internet connection whether email, calendar, contacts and details, and so on. The PST file is generated in the Outlook application by a POP protocol which is easy to open in any Outlook version.

How to Open PST File without Outlook?

There are various applications available on the internet using which we can read PST files without Outlook, but that does not mean that all are safe and reliable. That’s why we should take a thoughtful decision before using any PST file opener. Now the question arises that which parameter is available to analyze the functionality of the software. Let’s see

Service Providers: Check the details of the service providers by visiting the website and also see how much customer satisfaction they get from their utility.

Privacy Policy: How strong is their privacy policy regarding the security of users’ database that they offer in the market utility whether it is free or paid.

Technical Support: Technical support is the most important criterion for evaluating software productivity. If the support it provides even in its free product, it is most appreciable.

Product Category: If a service provider provides software in large quantities, it is not easy because they are an organized company.

As I promised, I will tell you the best free PST file viewer to open PST without Outlook. So the application that I will discuss here has been analyzed and reviewed by many professionals and industrialist experts. And it meets all the quality standards set by IT experts.

A Quality of Assurance – MailsDaddy Free PST Viewer

MailsDaddy is a reputed and well-structured company that developed a PST reader for Outlook users to open PST files without Outlook dependency. This freeware tool is designed with simple and basic features that users expect from any application. The application supports all Outlook versions to scan and open PST files in an original format.

Checkout Spiceworks review


How to use this program to Read PST files?

The software is easy to use and contains simple steps:

  1. Download and install MailsDaddy Free PST viewer (or PST file opener).
  2. Open the application and go to the Add File tab.
  3. Choose + icon if you know where it is stored; otherwise, click on the search icon to add the PST file automatically.
  4. Click on scan and Ok.
  5. Select the folder to view emails on the application wizard.
  6. To exit the application, click on the cross button.

Key features of this Outlook PST Viewer

  • Automatically browse the PST file from the folder of the local device.
  • Present a quick view of all folders in an original hierarchy.
  • Demonstrate read and unread status of emails at the end of the application.
  • Search criteria are available to access special email messages.
  • View other Outlook items like Calendar, Contacts, Tasks, Notes, Etc.


It is best to open a PST file with Outlook but it does not support in case of corruption and is inaccessible. In this case, if you are not an active user of Outlook, this article will help you open PST files without Outlook.

Now I have shared what is a PST file and how to use the free PST viewer tool to read Outlook PST data. MailsDaddy PST file opener tool comes with the pro version, so you can also upgrade the software to migrate your Outlook PST file in various file formats like MBOX, EML, MSG, etc. in the future.

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