Thunderbird-Tray is a system tray launcher tool for Mozilla Thunderbird, the popular e-mail client. You can use TB-Tray to hide Thunderbird to the tray while you don't need it. When you click the tray icon, TB-Tray will restore Thunderbird. It also has a menu of options for quick access to Thunderbird features. Thunderbird-Tray is freeware (open source) and licensed under the GPL.

EZ ThunderBird Backup makes it easy to backup your mail and address book to a ZIP archive and works with the Windows Task Scheduler to provide an automated backup solution.

Migo allows you to create an encrypted backup of your Outlook, Outlook Express & Thunderbird email, files, desktop and other computer settings. With Migo you can be sure that your emails, calendar, and other important information will always be synchronized and current. With Migo, all your important data stays with you, anywhere, anytime.

mboxPack - Pack individual email files into mbox files. - A quick, simple and easy to use utility that lets you combine eml, msg and txt email files into Thunderbird compatible mbox files that are ready to use! Got old email that you want to get into Thunderbird? This utility makes it easy!

FoolProof Backup! is an easy to use Windows based Backup solution for the rest of us. A powerful Assistant helps you find the files you can't afford to lose and backs them up in a reliable manner to CD,DVD, DL-DVD, Network, or FTP. Features include: email backup for Outlook, Outlook Express, Eudora & Thunderbird. Network Backup Server, Encryption, Compression, Powerful Scheduler, Backup Catalog, & System Snapshots. Never lose your info again!

Mobile Master is a powerful PIM for mobile phones.
Synchronize mobile addresses and calendar with Outlook (97-03), O.Express, Windows adress book, Lotus Notes, Netscape/Mozilla/Thunderbird, ACT!, Palm Desktop, David, Eudora, The Bat,... Many filter and options. Or easily manage and edit your phones data.
Full integration in Outlook and Palm Desktop.
SMS Center to easily send/receive SMS.
For Siemens, Sony Ericsson, Samsung and Nokia phones.

ABF Outlook Express Backup is backup program for Outlook Express mail client. The program enables you to backup Outlook Express emails, address book, settings, accounts, mail rules, signatures, and even Internet Explorer favorites (including IE7). ABF Outlook Express Backup can be also easily used to move, export and synchronize Outlook Express data between several computers or operating systems.

EZ ThunderBird Backup Pro makes it easy to backup your mail and address book to a ZIP archive or to CD/DVD and works with the Windows Task Scheduler to provide a completely automated backup solution.

The wizard interface makes the program incredibly easy to use and a restore utility is included.

Microsoft Outlook allows you to convert only one contact into the vCard formatted file at a time. With the vSync add-on for Outlook, you can convert all or chosen contacts to the vCard format (vcf file, version 2.1, 3.0). Convert all or selected Outlook calendar events into the vCalendar, iCalendar, iCal format (.vcs/.ics file). Filter during import and export. Export into one file compatible with Lotus Notes, Google Calendar, ipod, and Mac.

Mail PassView is a small password-recovery tool that reveals the passwords and other account details for the following email clients:

Outlook Express
Microsoft Outlook 2000 (POP3 and SMTP Accounts only)
Microsoft Outlook 2002/2003 (POP3, IMAP, HTTP and SMTP Accounts)
IncrediMail
Eudora
Netscape 6.x/7.x
Mozilla Thunderbird
Group Mail Free
Web-based email clients

Aid4Mail helps you migrate email messages to a different mail client, export them for viewing through IE, MS Excel, or a database, convert them to extract or re-insert attachments, and archive them to save space or for compliance with legal requirements. It supports many mail client programs and processes all messages reliably and quickly, including those with file attachments and embedded contents like pictures and background images.

emlBridge - Import eml Files into nearly any Email Client. With emlBridge you can import rfc822 standard text email files into programs like Outlook, Thunderbird and Outlook Express. emlBridge acts like your very own personal Pop Server and allows you to receive .eml from your backups and exports. Run in the System Tray , Run Hidden, Run from the Command Line! Transfers become a breeze!