See http://word.mvps.org/FAQs/Formatting...eformatted.htm

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Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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"TdyYrLove" wrote in message
...
Whenever I try to change the format of a word or phrase in a document, the
entire document changes to the new format not just the selected text.

For example, suppose I highlight a single word and click the Bold icon,
all
the text in the document is changed to Bold text. I can then hit Ctrl-Z
and
it undoes all the text change except for the word that was highlighted.

is this normal? How do I change just a word or phrase without having to
undo the change?