You need to refresh the styles from the template in order to import the styles from the attached template into the currently active document.

Via the interface, you do this by ticking the setting of Developer Tab > Document Template > Automatically update document styles and pressing the OK button. Once this is done, I would recommend you go back into that dialog and turn it off again.

The developer tab is not active by default in Word. If you haven't shown yours, go to File > Options > Customise Ribbon to turn it on.

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Andrew Lockton
Chrysalis Design, Melbourne Australia