PST Viewer – PST MSG EML MBOX

Open and search old mail archives in seconds – strictly read-only, free and open source, no account, no ads, no tracking.

PST Viewer opens email archives quickly, safely and strictly read-only – no Outlook required. Free and open source.

FORMATS • Outlook data files (.pst) – even large archives of several gigabytes • Outlook items (.msg), emails (.eml, .emlx) • MBOX mailboxes from Gmail/Google Takeout (labels become folders), Apple Mail and Thunderbird • Folders of mail files

SEARCH AND FIND • Full-text search as you type – in all folders or just the current one • Filters for date range, sender, recipient, attachments, attachment type, unread, important, flagged and more • Search syntax in English and German, e.g. from:anna has:attachment after:2024-03-01 • "muller" also finds "Müller"; matches are highlighted

READ • Familiar layout with folders, a list grouped by date and a reading pane • HTML emails shown safely; remote images stay blocked until you allow them • Appointments, contacts and tasks at a glance; digitally signed messages • Open attached messages directly

ATTACHMENTS AND EXPORT • Preview PDFs, images, text, tables, calendar and contact files • Save attachments one by one or all at once • Export messages as PDF, email file (.eml) or text, and print them

PRIVACY • Everything stays on your device: no upload, no cloud, no tracking • Your files are never modified • Free and open source (MIT license): no account, no ads, no in-app purchases • Source code: github.com/mariokernich/pst-viewer

Microsoft and Outlook are trademarks of the Microsoft group of companies. PST Viewer is an independent product and is not affiliated with Microsoft.