Microsoft Office for Mac 2011: add-on that can open Visio and Project files I've been using OS X Mountain Lion 10.8.5 and Office for Mac 2011. Is there any software or add-on that can be used to open Visio and Project files?
Not sure about visio but for project theres


Moos - just a viewer
Project Libre - project management software (but can open ms project files)