Doubt about RTFM inside RT

Hi all,
I´m almost new in this list.
I´ve installed RTFM 2.0.4 and RT 3.4.2 but when I try to extract an article
from a RT ticket I´ve not the right option "Extract article"
May I upgrade RTFM to 2.1.40 version or RT to 3.4.6?

Thanks in advance
Cheers
Teresa