You can print and mail state for free from the Desktop program. Are you asking about 2020? It is too late to efile 2020 or to use the online version. For next year you can transfer a 2020 Desktop return into the 2021 Online version, but only into Deluxe or higher, not into the Free Edition.
If the return was simple enough to qualify for the Free Edition then it should be easy to enter it all again in the online version.
