Open a PST file without Outlook
You have an old Outlook archive and no Outlook. Renting Microsoft 365 just to read it is a bad deal. Here is how to read it for free, and the pay-once option for big archives.
Free in your browser first
Drop a .pst file to browse its folders, read emails and save attachments. Nothing is uploaded.
Subscription or pay once
| Microsoft 365 with Outlook | Mailattic | |
|---|---|---|
| Price | $99.99 a year for Microsoft 365 Personal ($9.99 if billed monthly) | $19.99 once |
| Cost over 3 years | $299.97 | $19.99 |
| Payment | Every year or month | One payment, no subscription |
| Open a PST file | Yes, with Outlook installed and signed in | Yes, no Outlook needed |
| Search every folder by sender, subject, date and text | Yes | Yes |
| Save all attachments at once | One by one or with add-ons | Yes |
| Export emails as EML, MBOX or PDF | Limited | Yes |
| Send and receive new email | Yes | No. It reads archives |
| Works offline, no account | Needs a Microsoft account | Yes |
Microsoft 365 with Outlook prices are US list prices read on 2026-10-25 and can change. Source: Microsoft's store page and third-party price trackers. Prices in your country may differ. Pay-once prices are in US dollars, taxes may be added at checkout.
Get it
One payment, no subscription, no account. Works offline on your PC.
Need more than one? Pro Bundle | $59.99 once gets PDF Pro Editor, Video Pro Editor, Photo Pro Edition, Music Tools and CAD Tools for one payment.
Only need to open a file someone sent you? Anyopen opens documents, spreadsheets, PDF, pictures and archives for $9.99, once.
Questions
How do I open a PST file without Outlook?
Drop it on the free web viewer on this site. Folders and emails show at once and you can save attachments. For very large archives, Mailattic on Windows is faster.
Is my PST file uploaded?
No. The web viewer reads it in your browser and the Windows app reads it on your PC.
Can Mailattic send email?
No. It opens and exports archives. It is not a mail client.
Is it a subscription?
No. $19.99 once.
Not affiliated with Microsoft. Microsoft 365, Outlook are trademarks of their owners and are used only to describe what this page is compared with.