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About this lesson
Leveraging Custom Number Formats in order to provide conditional formatting for chart axes
Download this lesson’s related exercise files.Conditional formatting of chart axes.xlsx
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Conditional Formatting of Chart Axes
Using custom number formats for conditionally formatting chart axes.
When to use
Use when you want to add conditional formatting to a chart axis to show your axis in different colors.
Global syntax of custom number formats
- A custom number can hold up to four different formats, separated by semi-colons
- The general setup is: positive format; negative format; zero format; text format
- If a value doesn’t meet a category, the program will evaluate it against the next format
- If no format is found that supports the data, it will default to the first format
Adding conditional constraints to a custom number format
- Add a conditional constraint by enclosing it in square braces prior to the number format
- Eg [>=15000]#,##0
- If a value doesn’t meet this condition, it moves on to the next condition (next ; )
- The following format shows values in red if they are greater than 500 or less than -500
- If the values fall in between, then they are shown in the default color
- [Red][>=500]#,##0;[Red][<=-500]-#,##0; #,##0
Hints & tips
- You may use a comparison to a negative value in the first test if needed
- Take care not to set up a rule that is always true in the first test. Tests such a <500 would trigger as true for both positive and negative values!
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