.PM4 File Extension
File TypePageMaker 4 Document
What is a PM4 file?
Page layout document created by Adobe PageMaker 4; may include formatted text and images and multiple pages; used for created brochures, flyers, and other specially-formatted documents.
NOTE: PM4 files can be opened by Adobe PageMaker 4.0 and later. They can be converted to .PMD files with PageMaker 7.0, which can be opened with Adobe InDesign.