reinstalling final cut express
Just purchased new MacBook Pro (Retina Mid 2015 running 10.10.3) and am attempting to reinstall Final Cut Express 4 (which is the latest version I have) from original DVD purchased in 2009. Installation seemed to go fine, however when finished I was unable to open some of my FCE project files. Message said "File format is too new for this version of the application." Don't understand since I had just loaded the same application that most of the files were originally edited with.
On other FCE files I got the message "The file format...is from and earlier version. Would you like to update? Once saved, this file cannot be opened by previous versions...." Those messages seem contradictory can anyone help me to understand what I'm dealing with. Thanks.
Ed1941
MacBook Pro (Retina, 15-inch, Mid 2015), OS X Yosemite (10.10.3)