Attachment migration for AP & AR invoices

Summary:

The requirement is to migrate the attachments with AP & AR invoices as of cut-off date.

Content (required):

As the attachments can't be migrated while migrating the AP invoices using FBDi, what are the other ways by which the requirement can be achieved?

Version (include the version you are using, if applicable):

11.13.23.04.0

Code Snippet (add any code snippets that support your topic, if applicable):