Hi @Alan Pickup ,
As I know, after enabling the Allow Transcription option, it will take serval hours and at most 2 days for syncing the changes.
And please NOTE: Transcription for recorded meetings is currently only supported for users who set their language to or speak English in Teams meetings.
This article could be helpful: https://allthings.how/how-to-enable-transcription-in-microsoft-teams/
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Best regards,
Lou
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