File definitions are used to control how mailing
lists are imported or exported. Mail-LIST file definitions support
comma-delimited and fixed-field data files.

Load File Format ...
The drop down list box opens any existing definition
and initializes the data-window with its rows.
Icons from left to right
-
Create new row
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Delete current row
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Validate the definition
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Save the definition
Rows
There
is a row for every field that should be imported or exported. If
all lengths are > 0, the file definition is fixed-field. If all
offsets are > 0 and all lengths are = 0, the file definition
is delimited-field. If all offsets and lengths = 0, the definition
is dBASE and the comment is the column's name.