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When choosing a projection in MapInfo, there is a large list of available coordinate systems. Where is the file that stores these and is it easily editable?

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MapInfo uses a file called MAPINFOW.PRJ to store all its projections. It IS easily editable. Search under program files MapInfo/Professional (from memory) for this file. It's not encrypted or subject to any security, so there's no withcraft needed to make changes.

Hope that helps.

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I take a back up first though, obviously! –  CatchingMonkey Jul 14 '11 at 8:23
Nah, if you're going to be a bear, be a grizzly ;) –  Hairy Jul 14 '11 at 9:03

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