by Felix/FFDS » Wed Apr 18, 2007 7:01 pm
Basically, you really can't. Depending on the program and version used to make the model, some features (animations, etc) were not compatible with the model file format introduced in FS2004. Bascially, these were made to the earlier FS2000 file format that, while they showed up in FS2002, were incompatible with FS2004.
Felix/FFDS