Use EditReplace.

If each line ends with a carriage return, then replace ^p with ,^p

If it ends with a new line "character" then replace ^l with ,^l (or ,^p)

To see what each line ends with, click on the Show/Hide button ¶

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Hope this helps.

Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.

Doug Robbins - Word MVP

"Kartik" wrote in message
...
example:

word1
word2
word3

should become

word1,
word2,
word3,

i have a very long list hence doing it individually will take too much
time.
please help