I need to add my spouses tax info how do I get back to the part

[turborapp]

You should be able to go back to any previous part of the return through the tabs near the top of the TurboTax screen. When you click on a section (like income), it should allow you to step through different sections until you get to the one you need.  Depending on the section, sometime you cannot go back, but if you keep going forward, you can cycle back to the place you need to be.