EZOutlookSync Portable enables you to backup and/or synchronize your Outlook files (mail, folders etc.) with other computers by using an USB drive. You can easily backup all your E-mail, Contacts, Tasks and other Outlook items to the USB drive and then synchronize other computers or restore your Outlook content from the backup set. Use it to keep a backup of all your Outlook files, or to quickly synchronize mail between your laptop and your main PC.

EZOutlookSync Portable allows you to use your USB flash drive to synchronize MS Outlook files on different computers, make backups of existing Outlook data files and restore the backup data from the flash drive in just several mouse clicks.
Insert your flash memory into a computer and use either the wizard to perform necessary tasks or work straight from the program's main window. Insert the flash drive into another computer and in a moment you have your Outlook data in hand!

The license of this software is Free Trial Software, the price is $39.95, you can free download and get a free trial.