Free PST File Viewer

PST File Viewer Free Download - View Outlook PST Files Without Installation

Free PST Viewer - Open Outlook PST & OST Files Without Outlook | CoolUtils

Windows
2000/2003/Vista/7/8/10/11/Citrix

You have a PST file but can't open it without your Outlook email client? Need a free PST viewer to access your archived emails? Our PST file viewer helps you review old PST files to access contact information without requiring Outlook installation. Whatever your needs may be, our free PST viewer helps you open and view PST files without having Outlook installed on your machine. This PST file viewer serves as the perfect free PST viewer download for anyone needing to access Outlook data files. This flexible, easy to use viewer features an intuitive interface. Simply select a PST (or OST) file from the file tree and click to view.

No need for MS Outlook!
View emails and attachments.
Easily sort emails by referencing specific fields: name, date, sender, recipient, etc.
Generate reports based on your email data with columns like Sender, Subject, To, CC, BCC, Client submit, Delivery, and more!
Convert your PST to EML to transfer emails to Mozilla Thunderbird, Windows Live Mail, Apple Mail, and other email clients.

CoolUtils Outlook Viewer supports all versions of MS Outlook to date, including MS Outlook 97, 2000, XP, 2003, 2007, and Outlook 2010. Did we mention that it's 100% free? No ads, no gimmicks, no hidden downloads, no cost for home users - ever. Commercial use. Try it today!

Looking for a PST viewer download? Our free PST file viewer is the best PST viewer software available. Download our Outlook PST viewer and enjoy unlimited access to your PST files with this powerful PST file viewer tool.

P.S. Want to save Outlook emails as PDF, DOC, TXT, HTML, TIFF files? Try our Total Outlook Converter.

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Outlook Viewer Customer Reviews 2025

Rate It Rated 4.7/5 based on customer reviews

"I like this Outlook viewer: it's simple and does what it should. It's sortable, so I can tune the list of emails to my needs. With the ability to convert emails to EML it seems even more powerful than the paid competitors."

4.5 Star Christian Crawley

"I downloaded Outlook Viewer and attempted to open several PST files that were generated from an email archive system. It worked like a charm - and the best thing about it is the zero price!"

5 Star Ross Oglio

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Updated Sun, 19 Oct 2025

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FAQ ▼

How do I use Outlook viewer?

The CoolUtils PST viewer is very simple and intuitive, so even a beginner can use it successfully. You can also use this tool as an OST viewer, and you don't need any special skills for this. Just download the PST file viewer, install it on your PC, and process all the necessary files.

How can I open an Outlook file without Outlook?

Install a specialized PST viewer or OST viewer on your device, and read your files with ease. We recommend installing desktop software to protect your files from leaks and possible loss or damage.

What is PST viewer?

This is a specialized software similar to an OST viewer by functionality, which displays and processes files of the same file format.

What is Outlook Viewer?

Outlook Viewer is a free tool from CoolUtils that lets you open, view, and sort PST and OST files without Microsoft Outlook. It supports all Outlook versions, allows viewing emails and attachments, sorting by various criteria, generating reports, and converting PST to EML format.

How to View PST and OST Files

If you are unsure how to read your PST or OST docs, perhaps you should resort to a specialized program like CoolUtils PST Viewer. To read Outlook PST files on your laptop, take some simple steps:

Install the PST file viewer on the corresponding webpage by pressing the “Download Now!” button;
Start the utility wizard on your computer to initiate the installation of the desktop PST viewer;
Double-click on the software icon to launch it;
Click File - Open Outlook Data File;
Choose the Outlook PST files to read and click Open;
Click on the Inbox tab in the left-side menu and pick the message to display;
Read the message in the right-side menu.

The CoolUtils PST Viewer will come in handy for people who have decided to transfer their mailbox from Outlook but still need some archive correspondence to view.

Why Download Our Outlook PST Viewer?

The best handy solution

CoolUtils PST Viewer is one of the best software solutions available on the market, and it can also serve as an OST viewer. It doesn’t take much memory space, has simple navigation and interface, and is compatible with multiple Windows OS.

No need to re-install Outlook

You don’t need to go back to Outlook or restore your old account to read the correspondence on your laptop. The PST viewer will handle this task with ease, so you don’t need to spend a lot of time on restoration.

No need to use online utilities

CoolUtils PST file viewer has all the necessary functionality to work offline. Clients simply can install the software on their computer and follow the tips provided. This way you can avoid potential data leaks and sending your personal info over the internet.

NoPerfect email sorting tool

The PST file viewer serves as the perfect email sorting tool. Clients are free to view, sort, and organize your correspondence by different criteria – sender, recipient, date, time, etc. Unlike manual sorting, it takes only a few seconds.

Generate reports

This PST viewer has simple but extensive functionality: Customers can even group their letters by a certain criterion and generate a report based on this information. It helps a lot to process large volumes of incoming correspondence.

Easy conversion

CoolUtils PST file viewer allows you to convert Outlook PST files to EML for a smooth migration to another mailing service. There is no need to risk using suspicious online resources and uploading databases with important correspondence to online converters. This OST viewer can handle it.

Corrupt file viewing

If you have some damaged files that you wish to read or even restore, you can use the PST file viewer to get the job done. Feel free to use the software to navigate archives with corrupted files and display the necessary information.

Totally free

Clients are encouraged to use the CoolUtils PST viewer for free if they need it for personal use. However, this offer doesn’t cover commercial use, so for working purposes, you need to purchase a license.

Feature	CoolUtils PST Viewer	Other PST Viewers
Price for personal use	100% Free	Often paid or limited
Outlook installation required	No	Usually yes
Email sorting & filtering	Advanced sorting	Basic or none
EML export functionality	Yes	Rarely available
Report generation	Multiple formats	Limited or none
Corrupted file support	Yes	Often fails
Ads or bloatware	None	Often included