I assume you are not speaking of the date format (US mm/dd/yyyy vs
rest-of-world dd/mm/yyyy) since that is easy to fix with a custom format.
But numbers with a period as the thousands separator and a comma for the
decimal indicator cannot been done the custom format. You could use ### ###
###.00 to get a space for the thousands separator, I am sure most Europeans
would understand that.
best wishes

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Bernard V Liengme
Microsoft Excel MVP
www.stfx.ca/people/bliengme
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>I am wanting to know if it is possible to have a single workbook in Excel
>for
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> another
> way that only impacts the desired workbook that would be great.