Hi Jean,
another option may be to try a csv to sql converter, i.e. https://www.convertcsv.com/csv-to-sql.htm
Then go to your Cloud Backend > Databases > New query
Screenshot 2021-03-17 at 22.27.18.png
The copy the sql code to create the table
Screenshot 2021-03-17 at 22.26.32.png
I've actually built my own tool to create this 'create table' sql code to quickly replicate FileMaker tables in AppDrag 🙂