This week, Speed up your Spreadsheets – Your Action Required

Excel Howtos - 4 comments

In recent installment of Customer Service Dashboard post, our reader Salmon asked an interesting question,

I am struggling with data size with my dashboards…so many SQL data pulls and formulas to generate the Dashboard, the entire file is massive and sluggish. Perhaps a few tips from Chandoo Master for all us rookie dashboard designers regarding how to minimize file size and maximize calc speeds. #

Dan l & others chipped in and shared their ideas on speeding up Excel. But the topic is wide & has many solutions. So I am dedicating an entire week to discuss this. Welcome to Speedy Spreadsheet Week.

Speedy Spreadsheet Week on Chandoo.org

What happens in Speedy Spreadsheet Week?

This week, we will be writing articles explaining various techniques & ideas that you can use to speed up, optimize your Excel workbooks, dashboards & models. This is the posting schedule.

  • 20th March: Speeding up Excel Formulas
  • 21st March: Speeding up Excel Charts & Formatting
  • 22nd March: Speeding up Excel VBA & Macros
  • 23rd March: Speeding & Optimization Tips from Excel Experts
  • 26th March: Speeding Tips submitted by our readers

Action Required: Tell us how you speed-up your spreadsheets?

Each of us have our own check list when it comes to Speeding up sluggish workbooks. One reason why I am keen to run this speedy spreadsheet week is to learn from you. So go ahead and share your spreadsheet speeding techniques. We will publish a collection of all your tips & ideas on 26th March so that all of us can benefit.

Use below form (or click here) to share your tips.

Thank you

Thank you in advance for contributing to the Speedy Spreadsheet Week at Chandoo.org. Watch out for spreadsheet speeding tips all this week.


Hello Awesome...

My name is Chandoo. Thanks for dropping by. My mission is to make you awesome in Excel & your work. I live in Wellington, New Zealand. When I am not F9ing my formulas, I cycle, cook or play lego with my kids. Know more about me.

I hope you enjoyed this article. Visit Excel for Beginner or Advanced Excel pages to learn more or join my online video class to master Excel.

Thank you and see you around.

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4 Responses to “This week, Speed up your Spreadsheets – Your Action Required”

  1. Cyril Z. says:

    Hello Chandoo,

    Nice idea, and nice logo. Love it.

    First of all I deactivate automatic calculations and press F9 when needed for huge spreadsheets.
    I also deactivate automatic save because it can be really long on network drives.

    I would occasionnaly check the performance of integrated function vs operators (like CONCAT or &), but I lack time these days.


  2. Dan C says:

    an oldy but a goody: add this string to any recorded macros:
    application.screenupdating = false
    to speed up any macro code you rely on.

    Not a speed-up in the true sense of the world, but use named ranges in any formula. While it may not make the sheet itself quicker it *will* make it quicker to add new formulae and do the inevitable debugging your sheet may require.


  3. Deepa says:

    1) Isolate formulae that are repeated and move them to a single cell. Provide reference to the cell in the formulas.
    2) Reduce usage of volatile functions like OFFSET(), RAND(), NOW(), TODAY() etc
    3) Turn off automatic calculations.

  4. Dewan says:

    I found your blog to be very interesting and happening

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