Zamzar is a free software tool to both convert and send files via email at the same time. Receiving an important file that you can't open is what Zamzar can fix. Zamzar is an online tool that can convert a wide range of file formats. It is easy to use. Upload the file, choose the output format, enter an e-mail address, and you'll get a new version delivered to your inbox.
Zamzar can translate many audio and video formats as well as convert text documents. Learn more about Zamar.