How to Do Sensitivity Analysis in Excel

How to Do Sensitivity Analysis in Excel

To do sensitivity analysis in Excel, you change the inputs in a model and see how much the result moves. Excel’s What-If Analysis tools do this for many values at once, so you don’t have to retype each number and write down the answer. It’s useful whenever a forecast rests on guesses, like the price …

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Excel Not Responding? How to Fix It

Excel Not Responding? headline beside a frozen Excel window with a loading spinner

When Excel stops responding, you can usually get it working again by finding out what’s holding it up. It could be a heavy file, an add-in, or a problem with the Excel installation itself. But before you fix anything, you’ll want to get out of the freeze without losing your work. So I’ll show you …

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Dynamic Arrays in Excel

Dynamic Arrays in Excel, showing a UNIQUE formula spilling Austin, Denver, and Seattle down a column

If you have ever wanted one formula to return a whole list of results instead of just a single value, dynamic arrays are exactly what you are looking for. With dynamic arrays, a single formula can return many values that “spill” into the cells around it automatically. No dragging the formula down, no copy-paste. In …

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How to Fix “All Merged Cells Need To Be The Same Size” in Excel

Fix the merged cells error in Excel

You tried to sort your data, or dragged a formula down a column, and Excel stopped you with this message. The cause is merged cells sitting in the rows you’re working with. Excel can’t move those rows around independently, so it refuses to run at all. Despite what the message says, you don’t fix this …

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Compatibility Mode in Excel: What It Is and How to Turn It Off

Compatibility Mode in Excel, showing an XLS workbook converting to XLSX

If you have opened a file and seen Compatibility Mode next to the file name at the top, you may have noticed that some Excel features are greyed out. And this is because the file is saved in the old Excel 97-2003 format. Nothing is broken and your data is safe. In this article, I’ll …

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Add Total Values for Stacked Bar Charts in Excel

Stacked column chart in Excel with a total value shown above each stack

If you have a stacked column or bar chart and you want to show the total on top of each stack, you’ll notice Excel doesn’t give you a direct option for it. The chart can happily label each segment’s value, but the one number people actually look for, the total of the stack, is missing. …

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How to Fix the #SPILL! Error in Excel

Fix the #SPILL! Error in Excel, with cell D2 showing #SPILL! and a note in D4 blocking the dashed spill range

To fix the #SPILL! error in Excel, you need to find out what’s stopping your formula from filling the cells it needs, and then remove that obstacle. Most of the time, it’s something small sitting in the way. In this article, I’ll show you the common reasons you get this error and how to fix …

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