To Move a Template

In the Element Templates dialog ( Drawing > Home > Attributes > Element Template > Manage ), expand the open DGN file and the template group.
Select the template that you want to move.
Do one of the following:

Click the Cut icon.

or
Right-click the template and select Cut from the pop-up menu.
Select the template group to which you are moving the template.
Do one of the following:

Click the Paste icon.

or
Right-click the location to which you want to move the template and select Paste from the pop-up menu.

Note: You can also drag and drop the template to another template group. A line appears, showing you where the template will be placed when you release the mouse button. If you drag it to a closed folder, a rectangle appears around the closed folder and the template will be placed in it.