Blog
News, updates, and ideas from the team behind Mbox Viewer — the native Mac and Windows app for opening MBOX and EML email archives.
- announcementproductmacos
What's New in Mbox Viewer 2.7.0: Faster, More Private, More Accessible
Mbox Viewer 2.7.0 is a big reliability, privacy, accessibility and speed update — faster on large mailboxes, stronger tracking-pixel blocking, full VoiceOver and keyboard support, and rock-solid handling of huge or malformed files. Still strictly read-only.
Read - formatsmboxpst
A Field Guide to Email Storage Formats: History, Anatomy and a Comparison
How email is actually stored on disk — MBOX, Maildir, EML, PST, OST, OLM, MSG, NSF and historical formats like Eudora. Their history, how they're built, what each one is good for, and a side-by-side comparison.
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MBOX, EML, PST, OLM: Email Archive Formats Explained
What's actually inside an email archive? A plain-language tour of the four formats you'll meet — MBOX, EML, PST and OLM — and how to read each one on a Mac.
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Reading Old Email Archives from Eudora, Entourage and Other Classic Clients on a Modern Mac
That backup from Eudora, Entourage, Netscape or PowerMail is probably standard mbox — which means a modern Mac can still read it. Here's how to find out and open it safely.
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Why You Should Back Up Your Gmail Locally (and How)
Cloud email is convenient until it isn't. Here's why keeping a local Gmail backup matters — account lockouts, accidental deletion, leaving providers — and how Mbox Viewer makes that archive usable.
Read - announcementproductmacos
Introducing Mbox Viewer: Open Any MBOX or EML File, Instantly
Why we built Mbox Viewer — a native macOS app that opens MBOX and EML files of any size with streaming performance, total privacy, and no Electron or Java in sight.
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