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Sumproduct formula when source file not open

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    Sumproduct formula when source file not open

    Hi All,

    I am using Sumproduct formula to pull in data from one Excel file A to another Excel file B. I noticed that if I don't have file A (which has the data) open, then file B (with the Sumproduct formula) does not automatically get updated with new data I have added to to file A. I have to open File A for this to work and it works even if File A is opened by multiple sources and is in read only mode. Is there a way to get File B updated withought having to open File A or is this a limitation of Sumproduct function?

    Thanks!
    Last edited by AliGW; 05-22-2019 at 05:10 PM.

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    Forum Moderator AliGW's Avatar
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    Re: Sumproduct formula when source file not open

    Administrative Note:

    Welcome to the forum.

    We would very much like to help you with your query, however the thread title does not really convey what your request is about.

    Please take a moment to amend your thread title. Make sure that the title properly explains your request. Your title should be explicit and not be generic (this includes function names used without an indication of what you are trying to achieve).

    Please see Forum Rule #1 about proper thread titles and adjust accordingly. To edit the thread title, open the original post to edit and then click on Go Advanced (bottom right) to access the area where you can edit your title.

    (Note: this change is not optional. As you are new here I have done it for you this time.)
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  3. #3
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    Re: Sumproduct formula when source file not open

    It's not so much sumproduct() that is the problem, it's just how Excel works. If you reference data in another workbook, that workbook needs to be open in order for the referencing workbook to get the current data.

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    Forum Expert kersplash's Avatar
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    Re: Sumproduct formula when source file not open

    To get around cases like this I use Power Query to bring the relevant data into the working workbook and reference that data in formulas rather than the closed workbook.

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    Re: Sumproduct formula when source file not open

    Thanks All!

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