Coolutils Outlook Viewer: Open PST Files

Key Features

• Want to view PST or OST files without Outlook?
• Get the free Coolutils Outlook Viewer!
• It`s fast, straightforward and absolutely free.
• Browse for your PST or OST file and get the list of emails, each of them can be previewed in just 1 click.
• The list is sortable, so you can sort your emails by date, sender, etc.
• Moreover, it can also convert your emails to EML to import them to any EML based email client.

Technical Specifications

• **Publisher:** Coolutils.com
• **License:** Freeware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Email / Encoders