I was actually meaning what you have to do to remove the AI component: cancel your subscription, then choose another subscription option.
Who would think to actually choose 'cancel subscription' to remove the AI module?
From the MS Community:
If you want to subscribe to Microsoft 365 without copilot, i.e. without Ai functionality. you need to set up a subscription according to the following.
1. If you haven't subscribed to the higher priced Microsoft 365 with copilot yet
- Visit account.microsoft.com.
- Select the Microsoft 365 subscription you have and select “Manage”.
- Select “Cancel Subscription ”
- View “Switch to a subscription that suits you better” and select “Microsoft 365 Personal /Family Classic”.
- After following the instructions to complete your subscription. Your subscription will automatically renew to Classic when its existing subscription expires.