If all the addresses comprise three lines, convert text to a three column
table (or replace the commas with ^p and make that a four column table), add
a title row then use as a merge data file
See http://www.gmayor.com/convert_labels_into_mail_merge.htm

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Graham Mayor - Word MVP
Web site www.gmayor.com
Word MVP web site www.mvps.org/word
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> Hi, I would like some help in merging addresses which are
> existing list like this
[quoted text clipped - 10 lines]
> step instructions in laymen terms would be greatful.
> thanks