OE Backup   
http://www.abf-soft.com

OE Backup is a backup and synchronization tool for the popular Outlook Express mail client. It allows you to backup and restore your messages, address book, settings, mail and news accounts, message rules, blocked senders lists, signatures, stationeries, and even your favorites. All backup functions can be processed either separately or together. The user can choose the identity to save or restore data. OE Backup allows you to backup data on the one computer and restore to another. This feature makes OE Backup not just a backup program but also an ideal and perfectly functional synchronization tool. This program is easy to use and has a simplified user interface, very useful for beginners. The user interface is multilingual.

Backup for Microsoft Outlook   
http://www.abf-soft.com

Backup for Microsoft® Outlook® is a backing up, restore and synchronization tool. It allows you to backup and restore your messages, address book, settings, accounts, message rules, junk email lists, signatures, and even your Internet favorites. All backup functions can be processed either separately or together. Software allows you to backup data on one computer and restore it to another one. This feature makes Backup for Microsoft® Outlook® not just a backup program but also an ideal and perfectly functional synchronization tool. This program is easy to use and has a simplified, multilingual user interface, very useful for beginners.

Outlook Express Backup   
http://www.abf-soft.com

Outlook Express Backup is a backup and synchronization tool for the popular Outlook Express mail client. It allows you to backup and restore your messages, address book, settings, mail and news accounts, message rules, blocked senders lists, signatures, stationeries, and even your favorites. All backup functions can be processed either separately or together. The user can choose the identity to save or restore data, protect backup file with password, create self extracting backup file. OE Backup allows you to backup data on the one computer and restore to another. This feature makes Outlook Express Backup not just a backup program but also an ideal and perfectly functional synchronization tool. This program is easy to use and has a simplified user interface, very useful for beginners.

PSTSync   
http://www.aminsoft.com

PSTSync is the worlds best selling Microsoft Outlook synchronization utility. No other tool on the market offers the robustness and flexibility of PSTSync. PSTSync provides bi-directional folder synchronization as well as powerful SmartMove and SmartCopy functions where users can synchronize, move or copy each and every Outlook mail folder, including custom created folders without having to have open Outlook! Synchronization's can be automated with built in Scheduling functionality. PSTSync offers accurate and secure 128 Bit PST file encryption and decryption using RSA algorithms for locking your data from prying eyes. For users who might find encryption a little intimidating, PSTSync also offers password protection for adding a password to a PST file. Bloated PST file will become more manageable by using the specifically designed PST File Compression tool to put your PST file on a diet! Users will also benefit from backing up their PST files to an online location for safe archiving. PSTSync also offers a built-in file viewer to view your PST files. Users will be able to crack open a PST file to view the emails, contacts, notes and any other Outlook folder all within PSTSync, no need to open it up in outlook. The new version includes the following features - New Synchronization engine, SQLLite database, Save/Load pages and profiles, true conflict resolution (automatic or manual) and many more.

SynchPst for Outlook   
http://www.backupoutlook.com

SynchPst - the easy way to synchronize data among two personal folders. Just choose either single or multiple folders/subfolders to synchronize. Synchronize all Outlook items including notes and distribution lists. Deletions are supported, too. If the selected folder does not exist in the target file, the entire folder is copied otherwise the source and target files are compared and the entries are synchronized based on a highend algorithm. Synchronize your laptop with your desktop and be always up to date!