@dave r said:
What you are asking makes it sound as if you don't have a clear idea of how to use tags correctly. Untagged should always be left as active. All faces and edges should be kept untagged. Only objects (groups, components, labels, screen text, and dimensions) should be given other tags. (Nothing is put "in a tag". Tags are given to objects.)
TIG wrote a plugin some years ago that you could use to correct your model. It will go through and make all edges and faces untagged. It's called Default Layer Geometry and despite the name, it works for tags, too.
This "rule" about leaving Untagged active at all times and leaving all edges and faces untagged is the same as for older versions of SketchUp which used the term Layers.
Thnx Dave R , you have right , but sometimes it happen .
so thats why i asked if there is a plugin for it .