I want to review all items and all data, starting from the beginning. How do I do that?

[KellyG]

Prior to fully submitting your Return, you are able to review any section of the return to make any adjustments you need to be able to file successfully.  Turbo Tax does a quick review with each section as you go along.

However you can also navigate through the Timeline to re-check your entries.  To start at the beginning, click on Federal and the first section you will see is your Personal Information.  You can scan through each page to ensure all your entries are complete and correct.  Press continue with each section you complete till you reach the File Page, Which is final section.   

Hope this Helps!..