Share your Microsoft 365 Family subscription – Microsoft Support

Microsoft 365 Family subscribers can share subscription benefits with up to five other people in their family group by sending an email or copying & sharing a link. Important: Sharing is only possible if the invitee joins the subscription owners’ family group.

https://support.microsoft.com/en-us/office/share-your-microsoft-365-family-subscription-b389b9ce-3ae3-4a82-9017-39d79972fcba