Autopopulate entire target file with machine translation

Hello, the last project I created and worked on in Studio 2021 populated the entire target file with machine translation automatically from the beginning. This was handy in that any term that was being consistently translated incorrectly I could find/replace in one go. However with the current project I'm working on the MT is populating segment by segment. Could you tell me how to populate it for the entire file in one go, please? Many thanks.

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