Trying to import Maya model but not working

Hi,
I tried to import Maya model but it only appear with a shortcut icon in the project hierarchy and no model preview appear

as a result I can not drag it into the scene view

one of the models attached

please advise what is wrong

thanks
[3164-tick.zip|3164]

Change the file format to fbx, that is the native format for Unity has doesn’t have as many bugs.