I need my existing CSV files fomated to work with wix

I need my existing CSV files formatted to work with the Wix email platform

I need my files be arranged like this, the link below https://support.wix.com/en/article/wix-contacts-importing-contacts-by-uploading-a-csv-file

There are around 30k names in total

Budget: GBP 21 (Fixed Price)

Proposals: 20 freelancers have applied