Emailchemy is an app that converts mailboxes from an astonishing number of current and not-so-current email clients into the RFC-2822 (“mbox”) format.

This helps in moving from one client to another and with retrieving emails from ancient email clients that might otherwise be lost.

Today’s update adds some improvements to the way it handles emails from Outlook Express 5 for Mac and QuickMail Pro. The folder hierarchy in both is now preserved.

It also improves the CSV export option and includes bugfixes for handling Entourage and Emailer 2 folders.

Emailchemy is shareware (USD 25) and is available from the developer’s web site .emailchemy, mailboxes, mbox, conversion, email, RFC-2822, helpful apps

Hawk Wings has posted about Mark Lyon’s Gmail Loader before back in the days (last year) when it was a command-line utility.

Things have changed. Gmail Loader now has a graphical interface and is much more “user-friendly”.

As the rush to Gmail’s web interface continues, James E. Robinson III provides a timely walk-through using the current version to get the emails from his IMAP account into Gmail’s system.mail.app, gmail, email, messages, mailboxes, mbox, emlx, Gmail Loader, web interface, transferring

MailSteward, a powerful email archiving app, has been updated.

One hardly need mention that it is now recompiled as a universal binary (what isn’t these days?).

Other improvements in the new release include better display of non-English text, a better export mbox function that imports back into Mail.app correctly, a bugfix for the omission of CC: addresses and other minor bugfixes.

The developer Pubblog.com produces a useful chart that demonstrates the range of MailSteward‘s features (although listing FastMailBase for comparison would be even more helpful):

Click for a larger view (Don’t be shy. I’ve got bandwidth to burn these days)

MailSteward is shareware (USD 29.95) and is available from the developer?¢‚Ǩ‚Ñ¢s web site .

SystemsAligned offers a number of scripts and utilities which convert qmail-style Maildir email folders into the standard UNIX mbox format that Mail.app can import (and vice-versa).

Don’t know what that means? Neither do I really, although Wikipedia points the way. (Gosh, that’s a resource worth supporting!)

But people who do know what this means and who need to do a conversion like this may find the SystemsAligned resources a useful supplement to the Kmail to mbox script.

Cosmicsoft’s emlx to mbox converter has been updated.

This utility will convert Mail 2.0′s new emlx-formatted messages back into the mbox format used by Mail.app under Panther and by many other email clients.

The new version is faster and now supports partial.emlx files.

It is freeware and available from the developer’s web site.

From a thread on the Apple Mail Discussions Board come some tips for going backwards in Mail.app from the new emlx file format in Mail 2.0 to Panther Mail’s mbox format:

1. The emlx to mbox converter that’s been blogged here before, but with a step-by-step walkthrough.
2. Andreas Amann’s Mail Scripts contains an Archive script that can export Tiger’s emlx files as an mbox file.

One poster is going backwards because Tiger Mail has too many problems. Another is going backwards for various reasons he won’t go into. A third user on MacUsers.org is going backwards because his work set-up demands it.tiger, panther, mail, mbox, emlx, mail.app, apple mail

One of the most significant changes in Tiger’s Apple Mail 2.0 was the shift from storing messages together in mbox files to storing them as individual emlx files. This is done primarily so that Spotlight could search your messages easily.

Each email is now stored as an XML document in a subfolder of your Mail folder.

However, if you take a peek inside your Mail folder, you will see that in fact Mail.app is using three different types of files to manage your messages. Some details about each type follow after the jump.

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