Ranking - Productivity (iPhone)
OfficeReader by 25 O'Clock
You can easily transfer files to Office Reader in your iPhone/iPod touch with iTunes via an USB cable and open mail attachments with Office Reader.
Supports switch between horizontal screen and vertical screen.
Supports keyword search in documents.
Supports full-screen viewing.
Supports opening mail attachments.
Supports print files via Air Print and send files via e-mail to other people.