The CSV Export Settings are available if you select CSV as the export format.
Determines how group headers and footers are exported:
You may need to experiment with settings to get the desired outcome based on how your report is structured. For example, if you are using grouping in your report and need the data from the group headers and footers written to the file, you should choose All sections exported.
Determines how report headers and footers are exported:
Determines whether the formatting applied to date fields is preserved on export.
Determines whether the formatting applied to number fields is preserved on export.
The Separator is the character that is used to separate the values (columns) on each line of the export file. To use a tab character as the delimiter, enter {tab}.
The String Delimiter is the character that is used to enclose string values in the export. Leave the box empty if you do not want to use a delimiter.