don't know about online but in desktop the version the last line in the expenses section is for the 7205 amount which you must compute using the form. this will require you to mail in your entire return because there is no way to submit the 7205 separately or electronically.
further issues contact support
5am-5pm Pacific Time (8-8 Eastern) Monday - Friday
https://support.turbotax.intuit.com/contact
800-446-8848
