Mobipocket Office Companion 1.0

the author of this app says:

This application enables you to export and then view your MS Office documents (Word, Excel & PowerPoint) on your Pocket PC, compressing them in the process to reduce storage requirements.

Features:

• Two export options
• Preview the exported document on your PC before sending it to your PDA
• Beam files between PDAs
• Zoom and scroll on images and tables
• Keep all document formating
• Perform full-text search