Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Hello abhisheksanyal,
Welcome to Microsoft Community.
I am a Microsoft user just like you, I hope you are doing well?
Copilot in Microsoft 365 subscribers is currently available only in a limited private preview. It will be coming to a wider audience in the coming months. More information will be made available as this information you are seeking for Family subscription is not confirmed by Microsoft.
Frequently asked questions: AI, Microsoft 365 Copilot: https://support.microsoft.com/help/987b275d-f6f2-4d5d-94c5-e927cffae705
Please let me know if you need more assistance.
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Warm Regards