Coolutils Outlook Viewer - Version 1.5 Want to view PST or OST files without Outlook installed? 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, recipient, etc. Moreover, it can also convert your emails to EML files to import them to any EML based email client. If you like the program will also print out your emails. Coolutils Outlook Viewer is absolutely free. There are no ads, no extras, no annoying toolbars. Get the free Outlook viewer from the reliable developer now!