My stencils are auto-filling with grey and the lines are automatically turning grey. I am using Visio 2013. How do I stop this or is there a way for me to set it to begin with to not auto-fill or have it fill with white?
Hope this article can help: Protecting Shapes from Themes in Visio 2013+ (https://blog.bvisual.net/2016/06/10/protecting-shapes-from-themes-in-visio-2013/)