I have edited the styles in that sample. If you want to go back to how it was before use the original document.

CTRL+A will select the whole document. The Plaintiff etc lines were centered to demonstrate the use of the center tab. Delete the tab and it will go back to the left.

You have to have the cursor in the paragraph you wish to apply another style to (or have multiple paragraphs selected).

Word is a style driven application. If you don't use styles (and modify them to your requirements) formatting such documents is going to be hard work.

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Graham Mayor - MS MVP (Word) (2002-2019)
Visit my web site for more programming tips and ready made processes www.gmayor.com