Oh if file is on iCloud sometimes you have to download the files first to make them open. Sometimes this takes a while and sometimes it’s hard to tell if the file has downloaded yet or not. This is...
This is going to sound silly but… Try making a copy of the file then change the name of the file appending an “x” to the end of the file identification suffix. Eg rename “filename.mus” to “filenam...
This is not acceptable. Finale is not opening my old .mus files. I have thousands of them, and now with the latest OS on Mac the old Finale software versions no longer work, which was the only way ...