StuffIt Wireless Windows Mobile Edition

Put the power and capabilities of StuffIt, the leading compression solution on the Windows and Macintosh platforms, on your PDA or SmartPhone running Windows Mobile 5 or 6. With StuffIt? Wireless Windows Mobile Edition, you can compress, preview and send JPEG images via Email and built-in FTP. Create, open, browse, and modify both StuffIt X? and Zip archives. Protect your StuffIt X archives with 256 AES encryption.
Only StuffIt Wireless Windows Mobile Edition offers StuffIt ImageView? - a new way to view your compressed images. Browse through any Zip or StuffIt X archive, select the image you want to view, and StuffIt will expand that image to the full size of your phones screen. Move around and pan through the image, even zoom in and out.
With StuffIt Wireless, users can save money by significantly increasing the storage capacity of both their device and storage cards. In addition to providing full support for the Zip file format, StuffIt Wireless for Windows Mobile includes the StuffIt X file format which allows users to compress files more efficiently, and also allows the compression of file types, such as JPEG images, that Zip is unable to compress.
Transporting sensitive documents securely over mobile devices continues to be a major concern for consumers. StuffIt Wireless provides an important file level security layer for IT managers looking to service an increasingly mobile workforce. StuffIt Wireless incorporates standards based AES 256bit encryption to protect files both while they are stored on the device, and when they are being transmitted wireless to other users.

System Requirements:
PDA or SmartPhone running Windows Mobile 5 or 6

More Research:
compression preview send encryption