BUT I don't know whether the new TT program needs the prior program to be on the computer, or merely the prior tax file. I always leave both of mine (programs and files) on the computer. One more tip: when you file your return, make sure you keep both the file as well as the .pdf file TT allow you to make, and for both go to "Properties" (on a Windows machine) and change the file attributes to "read only" so that when you may open the file in the future and perhaps change a number or whatever, it can't change the file you're using as an archived file for what you actually filed with the gov't. If marked 'read only' and you do click 'save file' it won't change the 'read only' file but will offer to save the file with a new name.
