Thank you for submitting a ticket with us.
Your ERP system is not supported by Skyvia. So, you can use Skyvia application to set up an integration from FTP to Salesforce and from Salesforce to FTP.
Import package from a Data Integration product meets your requirements for inserting data from FTP to Salesforce. More details here.
For exporting data from Salesforce to FTP you can use an export package. It will export data in the CSV format.
Also, there are special limits for CSV files in Free and Basic subscriptions: 100k and 200k for data migration through CSV respectively.
Should you have any questions, do not hesitate to contact us back.