If you are using the desktop download software, the tax return is stored only on your own hard drive. It is not stored online. You can save it to a flash drive if you need to use the software on another computer to work on it, and of course you will need to download the software to that other computer first.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
