Excel Sum that excludes duplicates

Posted by Todd Benning on Super User See other posts from Super User or by Todd Benning
Published on 2010-04-19T21:42:48Z Indexed on 2010/04/19 21:53 UTC
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Filed under:

excel-2007

|

formula

I have data in the following format:

Id    Value
------------
1     20
2     40
3     20
3     20
4     50

I want to sum the value column while excluding duplicates from the id column. In this case, I should end up with a total of 130. Can anyone help?

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