No.
Maybe the best thing to do is to open the CSV file in Excel and use the
Trim() function in a formula on another sheet to create a replica of the
information without the padding and then use that sheet as the data source.

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Hope this helps.
Please reply to the newsgroup unless you wish to avail yourself of my
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Doug Robbins - Word MVP
> The input file for my mail merge is a CSV file from an ERP system, and
> each
> field in the CSV is padded with trailing blanks to the ERP system field
> size.
> Is it possible to automatically trim trailing blanks during mail merge?