The limit is mostly a function of the data-source. If it's a table in a
Word document, you will be limited to a maximum of 64 fields (columns in the
table) though it may be less depending upon the width of the columns. If
you use Excel or Access as the data source, you are limited to 256 fields
(columns) but with a comma delimited file, that number can be exceeded.

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Hope this helps,
Doug Robbins - Word MVP
"Shauna Koppang" wrote in message
...
Is there a maximum number of mail merge fields that can be used in one
document? If so what is that number.

Thanks!
Shauna