yes, of course, you can convert those DRM-FREE mobi ebooks to epub then sync them to your kobo.here is the soft and guide: http://www.epubor.com/mobi-to-epub.html
I was gifted a Kindle pre loaded with some travel books. I returned the Kindle ereader and purchased a Kobo ereader. Can I convert the Mobi files to allow them to be read on the Kobo? I have the Mobi files in my computer.