Forum Discussion
How can I edit Automatic Styles applied to Data Groups (Outlines) in Excel on Mac?
According to the Excel for Mac Help documentation: "For outlined rows, Microsoft Excel uses styles such as RowLevel_1 and RowLevel_2 . For outlined columns, Excel uses styles such as ColLevel_1 and ...
evomimic , at least for Windows you may select such style (it will appear in Styles on ribbon if you focus on cell with outlined result), right click on it and modify.
I guess on Mac it shall be similar.