PLEASE DISREGARD THIS REPLY: IT DOESN'T APPLY TO ONLINE VERSIONS OF TURBO TAX. MY APOLOGIES FOR ANY CONFUSION
If you have completed the file and SAVED IT!!!, You can make changes to the file anyway you want - JUST DON'T RESAVE THE CHANGED FILE unless you want to make those changes permanent. You can close out the changed file and Not Save, then reopen your original saved file that is intact.
