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Thread: Power Query performance and open source files
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    Default Power Query performance and open source files

    Hi all,

    I'm hoping someone has come across this and has a fix for me

    I'm extracting data from several files, each file has the same structure and I'm pulling multiple tables (but not stored as tables) from 20+ sheets in each.

    While all source files are closed the execution takes roughly:

    • 2s for one file
    • 5s for four files


    However while the source files are open the execution takes roughly:
    • 2m for one file
    • 30m for four files


    I can't really investigate further in work as I don't have access to download additional tools, but will try when I'm home.

    Does anyone here have any advice to help point me in the right direction?
    Last edited by Comfy; Aug 28th, 2019 at 07:44 AM.

  2. #2
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    Default Re: Power Query performance and open source files

    I think this is a network issue.

    I placed the Source Files on a network drive and ran the query from my PC and I got a similar problem.
    Last edited by Comfy; Aug 28th, 2019 at 01:27 PM.

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