You could select the affected columns (all of them????) first, and then double
click on one of those selected divider lines.

Ctrl-a (a few times depending on what's selected) can select all the cells.

Chris wrote:

I'm opening a comma delimited file (csv) and wanted to find out if
Excel 2007 had a feature that would automatically expand the columns
instead of me having to click the vertical line between fields to
expand the column?

tia,
Chris

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Dave Peterson