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MBOX Viewer · Live

Open MBOX Mailboxes Instantly.

Open and read .mbox mailbox files on iPhone, iPad, and Mac — fully offline. Read every email, attachment, and header with no Thunderbird and no import step. Just open the file.

PRODUCT PROFILE
SYMBOL:
MBOX
CATEGORY:
VWR / Viewer
LATENCY:
Instant
EXTENSIONS:
.mbox
ENGINE:
Rush Tools Engine™
STATUS:
Live
PROPRIETARY TECHNOLOGY

Powered by the Rush Tools Engine™

MBOX Viewer parses .mbox files entirely on your device. No cloud uploads, no server processing, no telemetry — forensic-grade privacy by design.

Open Instantly

Open .mbox archives of any size and start reading right away.

Every Email & Attachment

Read messages, open attachments, and check headers — all in one place.

Fully Offline & Private

Your mailbox stays on your device — no uploads, no account, no tracking.

No Mail Client Needed

No Thunderbird, no import. The Rush Tools Engine™ opens the file directly.

Screenshots

See it on every device.

Mac app screenshot 1
Mac app screenshot 2
iPhone app screenshot 1
iPhone app screenshot 2
FAQ

About MBOX files.

What is an MBOX file?

MBOX is a common mailbox format that stores many emails in a single file. It's exported by tools like Thunderbird, Apple Mail, and Google Takeout.

Do I need Thunderbird or a mail app?

No. MBOX Viewer opens the file on its own — no other software required.

Is my mail private?

Yes. Everything is read locally on your device; nothing is uploaded.

Can it open large mailboxes?

Yes — even very large .mbox archives open smoothly.

Get MBOX Viewer today.

Open .mbox files in seconds — strictly offline, strictly private.

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