Select a device and choose a contact that has messages you want to save. Launch Decipher TextMessage on your Mac computer. Today, with the help of the handy desktop program Decipher TextMessage, we are going to show you how to accomplish this task in just minutes! How to copy and print messages and iMessages on your Mac computerįollow these steps to save and print messages and iMessages on your Mac as a PDF If you are one of the millions of Mac users around the world who regularly send and receive messages with the Messages app on your computer, there will usually come a time when you will suddenly have a need to save and print a specific conversation or chat. 'Is there a way to export conversations in the Messages app on my Mac so that I can save and print messages and iMessages as a PDF?' -Monique Stanley, Columbus, Ohio