The Outline Conditional Formatting group applies value-based colors to series outlines independently of fill conditional formatting.
- General – enable outline conditional formatting and select the color mode.
- Lower – configure the lower outline color point and its value source.
- Middle – configure the optional middle outline color point and its value source.
- Upper – configure the upper outline color point and its value source.
These settings are available when customizing an individual series under Apply Settings to. Availability also depends on the selected series type.

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