See http://word.mvps.org/FAQs/Customization/CustomizeNormalTemplate.htm, but
note that it is a seriously Bad Idea to justify the Normal style; instead,
justify Body Text and make the default empty paragraph Body Text instead of
Normal.

Signature
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
Email cannot be acknowledged; please post all follow-ups to the newsgroup so
all may benefit.
> How do I do it?
>
> Word always reverts back to left align, I want justified.