The width will change the width when rendering the report view, not the list view which is what you are showing.
Check this out: List views - Adjusting/Changing column width - #2 by sdqadeer44
The width will change the width when rendering the report view, not the list view which is what you are showing.
Check this out: List views - Adjusting/Changing column width - #2 by sdqadeer44