This is what I used, but it looks unmaintained; I'd try others' suggestions first: https://www.macupdate.com/app/mac/45385/payload-extractor https://www.macupda

This is what I used, but it looks unmaintained; I'd try others' suggestions first: https://www.macupdate.com/app/mac/45385/payload-extractor https://www.macupdate.com/app/mac/45385/payload-extractor