What is the best way to change Community membership role from Member to Required Member in bulk?

Summary:

Hello Experts,

Please suggest what is the best way to address the below use case.

Use Case: Change community Community membership role from Member to Required Member in bulk

Access Groups were created to target a large population (50K plus), for community membership. If the role for these members need to be changed from 'Member' to 'Required Member', what is the most convenient way of accomplishing this?

Regards,

Sumit Upadhyaya

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