Select field data export problem to csv or excel.

Hi!

I have a request for a modification of the export function. When exporting a webform to excel or csv, the checkbox information is exported as header + x for selected.

Example:
Checkbox: Please subscribe me to the following newsletters: values: newsletter1, newsletter2, newsletter3

CSV / Excel results in:
newsletter1,newsletter2,newsletter3
x,x,x

That's quite useless when you try to import the data to another application.
Is it possible to modify the export data to:

fieldname
"newsletter1,newsletter2,newsletter3"

Then I can use the value of the checkbox instead of the value of x.

Thanks!
Cheers,

Eric