If I have credits left over on my 16-credit package, can I carry them over to next years webinar season? No, any credits not used by the time the final webinar takes place in December of the year purchased will be lost. Related articles If I buy a webinar package online, can I split the courses among different members of my firm? How many courses can I attend if I buy the Unlimited Webinar Package? Are 2-, 4-, and 8-credit courses included in the Unlimited Webinar Package?