Never used a cell phone for more than phoning, so the Droid is quite an experience. My first question for Droid experts: I have an excel spread sheet in google docs. Exel.exe is the title. When I try to open it to the Droid I get a message that says "cannot download. The content is not supported on this phone. Could it be because I am using a trial version of Excel and have not paid Microsoft for it?