Mine is not woriing on either machine I have it on?
From help topic
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Copy a color palette to another workbook
1 Open the workbook that contains the color palette you want to copy.
2 Switch to the workbook that you want to copy the color palette to.
3 On the Tools menu, click Options, and then click the Color tab.
4 In the Copy colors from box, click the workbook that contains the
color palette you want to copy, and then click OK.