Bulk Copy Fields
This module allows you to copy field values from one field to another on multiple entities at once. It provides a user interface accessible from the content administration page to perform these bulk operations.
Synopsis
A module for those who need to bulk copy field values in nodes or other entities to another field in the entity.
Similar Projects
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Requirements
Latest release of Drupal 8.x.
Configuration
Enable the module
Go to /admin/content
Select Some nodes
Select Action "Bulk Copy Content Fields"
Hit "Apply to selected items"
Select the Field(s) to copy from
Hit "Next"
Select the Field(s) to copy to
Hit "Next"
"Are you sure?" - Hit "Copy Fields"
Wait for batch process.
Done
NOTE: This module is not designed to work with contrib VBO, only Core Actions in /admin/content/* using Core Bulk Update fields