When you use the CD/download the tax files are only stored on your own hard drive. No one's tax returns are going to be stored online with TurboTax if you prepare other family member's returns using your PC. Their returns will only be stored on YOUR hard drive or any back up device you use like a flash drive.
**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.**
