If you used a desktop version, you would have give your return a file name and saved it on your computer windows or mac filing system. When you install your next desjtop version or even if you decide use their online version of TT you can import it into this years TT. Course if you don't have the computer anymore and didn't keep a paper copy say la ve! But that's usually only important if you have business, rental income etc with information you need to bring forward like depreciation.
