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Excel sheet is taking a while to calculate, is there a way to find the bottleneck?

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    Excel sheet is taking a while to calculate, is there a way to find the bottleneck?

    Hi,

    My excel sheet is quite complex. I'm trying to boost performance so have been removing array formulas etc which has helped. However I'm interested in knowing if there is a way to automatically detect which cells/calculations are causing the bottlenecks?

    Would be incredibly useful

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    Valued Forum Contributor PeteABC123's Avatar
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    Re: Excel sheet is taking a while to calculate, is there a way to find the bottleneck?

    I find that in my prior life; I had been asking Excel to examine the entire contents of multiple columns; looking for a condition, or finding a value, etc.. If that's the case, you might limit the number of rows your formulas are evaluating to just the ranges that contain actual data.

    Pete

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    Re: Excel sheet is taking a while to calculate, is there a way to find the bottleneck?

    Automatically detecting I wouldn't know. I suspect that would take elaborate case specific VBA.

    The best I can offer is this link. There is a formula timer macro there that I use.

    https://docs.microsoft.com/en-us/pre...1(v=office.12)
    Dave

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    Re: Excel sheet is taking a while to calculate, is there a way to find the bottleneck?

    I know this doesnt answer your actual question, but with any "slow" file, there are a few things to check...
    1. click end/home and see where you end up. If it is nowhere near where you know where your data ends, start CAREFULLY deleting rows and columns till you get to where you now your data ends
    2. Check if you have any Conditional Formatting and see if the rules have doubled up (I have seen them repeated 3 and 4 times just in 1 cell)
    3. With both CF or Data Validation, check to make sure you are not using full rows/columns, try to restrict the ranges to just what you need - or 2-3 times what you think you will need.
    4. Check the same thing for any ARRAY formulas
    1. Use code tags for VBA. [code] Your Code [/code] (or use the # button)
    2. If your question is resolved, mark it SOLVED using the thread tools
    3. Click on the star if you think someone helped you

    Regards
    Ford

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