Get your taxes done using TurboTax

You must be using the 2019 downloaded version so  can you not open the program ?    When you closed the file last night you would have been prompted to save the return ... so did you ?    If you did not then nothing was saved and you have to start over.   If you did then there should be a BIG tile on the home screen to click to open the return ... if not then click on the FILE  option in the menu bar (upper left) to look for the file ...