Help with scan to 3d

I have a 3d scan that i need to work with in SW.

However when i try to open the mesh file i get an error message about too many surfaces.

I have already tried a decimated version of the scan with the same result.

i would rather not further decimate the scan - i need the detail for my work.

Is there a setting to allow more surfaces?

Is there a way to open as a graphic body then convert to surfaces or solid?

original scan data file in STL format 45Mb - decimated file 25Mb

Model is shape and size of smart phone

Thanks for any help

Brant

SolidworksGeneral