Hi Brian,

It would be helpful if you posted the actual GETEXTERNALDATA() formula your View is using rather than just a summary. Even better if you use the
Code:
Place your formula here...
(code) tags to make it monospaced.

GETEXTERNALDATA() should return a single record from the target table, and the requested field from that table. It does not return multiple records.

There is no limit that I know of any specific number of tables that can be linked together.

If you would like me to take a look at your Workspace, I'm happy to see if something leaps out at me. Just use the File | Gather files for Support choice and ZIP the resulting Folder. You can email it to me or place it somewhere that I can download it.
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Andrew Bates