Hi Tom!

The shape file format is not designed to retain map styles (or 
coordinate system info for that matter).
Therefore, it is not even in theory possible to transfer the native 
styles of MapInfo objects to a shape file.
However, when ESRI discovered that people were using shape files for 
GIS data, they added a *.lyr file which is used as a template for 
object styles. Similarly, a *.prj file was added in order to hold 
information  on projection and coordinate system.
So, if you would want to truly convert tab to shape, the converter 
should a write a *.lyr file as well as a *.prj file along with the 
basic shape file set.
But MapInfo and ArcGIS uses different color schemes, different line 
styles and region fills. You would need to make some kind of 
translation table to take care of that.
The same goes for the spatial reference. They use different 
definitions for that as well.
But I'm not saying it's impossible, I'm only pointing out the some of 
the considerations one has to make.
Do share it with the list if you find out something useful.

Regards, Mats.E

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