• Reference & Education, Sociology
• CPA file information
• May 1, 2026

A CPA file is most commonly a CADSTAR PCB Archive file used in printed circuit board design and electronic engineering workflows. In practical terms, it is a packaged or archived file that holds PCB layout-related design data so that a board design can be preserved, transferred, or imported into compatible software. This format is associated with Zuken CADSTAR, and it …