When you say wto csv file, you can import a csv into a dataset or export it as a csv file, similar with Wix Stores as a CSV file.
https://support.wix.com/en/article/importing-data-to-a-database-collection
https://support.wix.com/en/article/importing-products-to-wix-stores
Otherwise, CSV files is not supported by Wix.
https://support.wix.com/en/article/supported-media-file-types-and-file-sizes