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I have a map in arcmap where i want to display information that contains values that will probably change every year. I would rather not having to remove joins and then join my new excel sheet every year. Is there a way:

  1. To directly link my excel sheet to asrcmap so that my map would be modified upon the excel modification
  2. As my excel numbers would change based on a multiplication factor, is there a way to save the formula in the attribute table so that my values would automatically change when i input the new multiplication factor into arcmap?

closed as too broad by PolyGeo Sep 24 '16 at 22:32

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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