Thread:Support/How to copy translations from Wikimedia Commons to here

Hi, I am new to Translate Wiki but was active at internationalization of Wikimedia Commons templates. Wikimedia Commons tries to internationalize all its templates and we are slowly moving towards doing translations through Translate Wiki. So far few people that knew how to do it were responsible for coping existing translations from Wikimedia Commons to here, but they are not always around. I would like to convert template:Artwork to use Translate Wiki. Template:Artwork is currently translated to 55 languages and has labels that need to be translated. Is there some automatic way to copy current translations? I can easily put them all in a spreadsheet - is there some way of to import a spreadsheet of translations?