SDL Multiterm Convert module does not work

Hi everyone. My name is Sergio Angeloro, I'm from Uruguay and I've just bought SDL Multiterm Desktop 2014. To my disappointment the convert module to pass Excel to multiterm does not work and I have not found anything in the knowledge base to solve this. To make matters worse I see that to communicate with DSL to have support you need to pay USD 65, more than 40% of the price I paid for the software, which I do not think it's fair. Besides, in the knowledge base there is very little about Multiterm, most of the articles are about Trados.

Does anyone have any idea how to solve the problem? Thank you all.