In order to amend a return created with TurboTax Home & Business 2021you will need a copy of the program. You can get a copy on eBay and use it to open the tax return file if you have it.
If you don't then you can either get the 2021 Home and Business program and re-enter all of your information or use TurboTax online and enter your information as well.
Here's how to amend in TurboTax.
@AL MURA
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"