Migration From Field Collection to Paragraphs in D8
If you need to migrate field collections from Drupal 7 into Drupal 8, here's a walk through of how to do it. But before you start reading, I'd like you to stop and see how you can make this process better.
Ultimate guide to migrating data into Drupal 8
MTech specializes in Drupal migrations and upgrades.
Migrating Date Ranges from CSV into Date Range Module
As you might know, the Datetime Range module is currently an experimental module within Drupal 8 core.