MIGRATING FROM ON PREM

Please follow this article if you would like to migrate Repeating Rows from SharePoint On-Premises to SharePoint Online.

Please follow this article if you are migrating from Forms add-on to Forms app

The Cascading Lookup Console is a command-line tool designed to help organizations migrate SharePoint lists that use the Cascading Lookup Plus field type so they can be used with the Cascading Lookup feature in SharePoint Online