Knowledge base
Background and solutions for mbox, eml and Gmail archives.
Artikelen
20 artikelen, gerangschikt op populariteit.
The best Thunderbird alternative for viewing mbox files
A lightweight, local mbox viewer in your browser opens your archive instantly, with no Thunderbird install and without your data ever leaving your device.
Fix: no valid mbox files were found in Apple Mail
Why Apple Mail shows 'no valid mbox files were found' and how to open your email archive anyway with Mbox Viewer by Cloud Captains.
Google Takeout to PDF: review first, convert afterward
Browse your Google Takeout mbox archive and pick the emails you actually need first, then convert only that selection to PDF with Mbox Viewer.
View your Gmail archive without Thunderbird
Open a Google Takeout Gmail export (.mbox or .mbox.gz) straight in your browser with Mbox Viewer, no Thunderbird needed.
Online versus desktop mbox viewer: the security comparison
An honest comparison between online viewers that upload your mail to a server and local viewers that process everything inside your own browser, focused on what happens to your sensitive email.
What Is an MBOX File? The Complete Beginner's Guide
Understand in plain language what an mbox file is, which programs use it, how it differs from eml and pst, and how to open one safely.
How to open MBOX files on Windows 11: the fastest ways
Open an mbox file on Windows 11 without heavy software, with a fast, fully local browser viewer as the best option.
Where to Find Your mbox Files on Windows, Mac and Linux
Learn where Thunderbird, Apple Mail and Linux clients hide their mbox archives, then open them locally with Mbox Viewer.
Client-side mbox viewer versus online upload tools
Why a local mbox viewer that processes everything inside your own browser is safer than online tools that make you upload your email archive to a server.
Why Your Mbox Import Fails in Thunderbird (and How to Fix It)
The five most common reasons an mbox import fails in Thunderbird, with a practical fix for each one.
ImportExportTools NG not working? The simple fix
Can't open your mbox with ImportExportTools NG? Here is how to fix it, and how to view the file without any add-on at all.
Opening your Google Takeout mbox file: three methods compared
Compare three ways to open a Google Takeout mbox on convenience, speed and privacy, and pick the approach that fits you.
Exporting an Apple Mail mailbox as mbox
A step-by-step guide to saving an Apple Mail mailbox as an mbox file and reviewing the result locally in Mbox Viewer.
Thunderbird mbox corrupt? A step-by-step diagnosis
Find out whether your mbox file is really corrupt or only its index (msf) is broken, and recover your email safely and locally.
Free mbox viewers and their hidden downsides
What free online mbox viewers do not tell you, and why a local browser viewer is often more private and more practical.
Mbox versus pst: why Outlook will not open your mbox
Learn why Outlook cannot open mbox files, how mbox differs from pst, and how to read mbox mail anyway, safely and locally in your browser.
Mbox vs eml vs maildir: which email format is best?
Compare the three popular local email formats and learn when to choose mbox, eml or maildir, and how to open all three safely.
Why is 'Import Mailboxes' greyed out in Apple Mail?
Learn why the Import Mailboxes option in Apple Mail is sometimes greyed out and how to open your mbox file anyway.
Moving mbox files from Windows to Mac
How to safely move mbox archives between Windows and Mac and open them locally in Mbox Viewer, without import headaches.
Solved: Google Takeout mbox file too big to open
Open an oversized Google Takeout mbox without crashes using Mbox Viewer by Cloud Captains, which relies on a memory limit and a local database.