PST Viewer

View and export Outlook PST/OST files locally in your browser

As of June 2026, PST Viewer has users in the Productivity category.

Usersno change0%
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.0.1
Manifest V3

History

1 snapshots

Tracking since Jun 13, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
DateUsersRatingReviewsVersion
Jun 13, 20261.0.1
Now1.0.1

Permissions & access

Permissions
tabswindowssystem.display
Host access
<all_urls>

Screenshots

PST Viewer screenshot 1PST Viewer screenshot 2PST Viewer screenshot 3

About

PST Viewer lets you open and explore Microsoft Outlook PST and OST email archive files directly in Chrome — no Outlook required, no uploads, no server.

Everything runs 100% locally on your device. Your emails never leave your computer.

FEATURES
• Open any .pst or .ost file via file picker or drag & drop
• Browse the full folder tree with message counts
• View emails with full HTML rendering
• Inspect raw MAPI message headers and properties
• View and save email attachments
• Export individual emails or entire folders as .eml files
• Sort messages by From, Subject, or Date
• Opens as a full-screen app window — no browser chrome

PRIVACY
No data is ever collected, transmitted, or stored. The extension has no network functionality and works entirely offline after installation.

SUPPORTED FORMATS
Unicode PST files (Outlook 2003 and later). OST files (Outlook 2010 and later). ANSI-format PST files (pre-Outlook 2003) are not currently supported.

Technical

Version
1.0.1
Manifest
V3
Size
55.52KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
mjmcickkjejimfiplppdmflohapcfcnc
Developer ID
ua36d645a2383edd52836f4df7351c7e0
Developer Email
[email protected]
Created
Jun 12, 2026
Last Updated (Store)
Jun 12, 2026
Last Scraped
Jun 13, 2026
Website
Support URL

Data sourced from the Chrome Web Store · last verified Jun 13, 2026.