Solved

How do I apply my Federal Return to my estimated tax payments

I cannot find where to apply my Federal return to next year's estimated tax payments like I can with my CA state return

Best answer by bluedeb

You can under your Federal return:

Employee

You can under your Federal return:

Use the following steps:

On the top row of the TurboTax online screen, click on Search (or for CD/downloaded TurboTax locate the search box in the upper right corner)
This opens a box where you can type in “apply federal refund to next year” and click the magnifying glass (or for CD/downloaded TurboTax, click Find)
The search results will give you an option to “Jump to apply federal refund to next year”
Click on the blue “Jump to apply federal refund to next year” link