I have a designer asking to know what version of SW a specific render was made in. I don't have SW, so I can't find out through that method. I've tried looking in the file properties on both PC and Mac, but the version is not listed. I've tried opening the file with Notepad and TextEdit, like some have recommended, and the output is "character gibberish." I've contacted the previous designer who created the render, but her response is not guaranteed in a timely manner. I've looked briefly into macros, but they seem hit and miss.
Is there any other method?