When to use "File - Multiple files processing - Update transcriptions for ECVs"?

Could someone provide a detailed example for usage senario? I cannot figure it out from the official doc.

Hello,

Do you have actual files in which external controlled vocabularies are used? Because it would be useful to discuss real world examples and/or real world problems that need to be solved.

-Han

Yes. I’m a novice. So I need some real-world examples :slight_smile: