Here's an old fix that might work
To correct the problem, just add the line 'CSV=A4WXCSV,Comma Separated values,CSV,TRUE,3' to the
FileFormats section in the A4W.INI file. An example of the A4W.INI file should look like this:
[FileFormats]
CSV=A4WXCSV,
Comma Separated Values,CSV,TRUE,3
Jay Converse
IT Director
Systemlink, Inc.