There're many ways to do that. For example, you can get rid of (") by post-processing the file created.

COPY TO (lcFileName) TYPE CSV
STRTOFILE( CHRTRAN( FILETOSTR(lcFileName), ["], [] ), lcFileName )

>this way it inserts " " ( wrong way)
>
>Please see below how they want the file
>
>
>Each line of the file contains one record
>
>Each record is a series of data separated by commas
>
>The first record of the file is special, and contains a list of fieldnames.
>
>This defines the format of the rest of the file.
>
>Required fieldnames: these fields must be included in the first record, and defined for each user
>username, password, firstname, lastname, email