Debra Dalgleish has some instructions with pictures:
http://www.contextures.com/xlfaqMac.html#NoMacros

Marcin_71 wrote:

During opening Excel file is displaying message about contains macro.
Excel give two posibility: open with or without macro.
After opening with macro, I can't see it in macros list (Tools/Macro/Macros).
How I can check this macro and how I can delete it ??

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Dave Peterson