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I have a workbook with a summary page. &nbsp;there are 12 worksheets all formatted the same <br />
Column A --&gt; account number<br />
Column B --&gt; description<br />
Column C --&gt; amount<br />
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I want to do a sumif across the entire workbook for the summary page<br />
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thanks experts
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I have a workbook with a summary page.  there are 12 worksheets all formatted the same 
Column A --> account number
Column B --> description
Column C --> amount

I want to do a sumif across the entire workbook for the summary page

thanks experts

Sumif statment across and entire workbook

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