Loaded existing .3dm into MoI5_Dec1 Beta, and saved to D drive,
and to MoIAppData. They were the AlibreLogo.3dm and an Acorn.3dm
Preview works on them. (They currently show a file type (Icon) of Rhino.

.htm and .js still do not preview, but try to load.

T-Rex.3mf DOES preview.

- Brian

Explored some mysteries of OneDrive...

Will Checkout Rhino vs MoI .3dm preview...