.PM3 File Extension
File Type 1PageMaker 3 Document
What is a PM3 file?
Page layout document created by Aldus PageMaker 3; can also be opened by Adobe PageMaker 4 or later, or by Adobe InDesign.
NOTE: Adobe PageMaker was discontinued in 2004 and replaced by Adobe InDesign.
File Type 2Crouzet Logic Software M3 File
.PM3 File Association 2
Project file created by Crouzet Logic Software M3 (Millenium 3), an application used for programming Crouzet PLCs; saves a schematic that represents the logic for the device; used as the primary file for saving user projects.