Determining an Element's Template Association

Use the Element Selection tool to select the element.
Do one of the following:

Right-click the element and click Properties.

or
Select Drawing > Home > Primary > Properties .

The Properties dialog opens.
(Optional) If the General tab is collapsed, click the downward pointing double arrows to expand it.
Locate the Template field.
If the element is associated with a template, the template's group and template name appear in the field. If the element is not associated with a template, "None" appears in the field.