.pps file is a PowerPoint slideshow file.
This file type is used by PowerPoint 2003 and earlier. The new PowerPoint 2007/2010 use .ppsx and .ppsm file types.
To break password protected PowerPoint slideshow file (.pps file) you can use
PowerPoint
Password program. PowerPoint
Password recovers all PowerPoint password types and supports all
PowerPoint versions (including PowerPoint 2007/2010).
Possible password types:
Password to open
Password to modify
PowerPoint document may contain a VBA project inside. To
recover password-protected VBA project you should use
VBA Password program.
