>I have a document with 42 pages (heading1,2,3 etc).
>When ever I change something (font size, italic, bold etc) in the normal test only in one line, Word change all the text in all the pages.
>How can I stop him?
I think that would depend on the version of Word. In Word 2000 - which I don't have in front of me right now - there is some option under "Format | Styles", IIRC. I don't remember for sure, but I think that this is set for individual styles.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)