The existing Microsoft 365 Personal subscription must be fully ended before the Microsoft 365 Premium/Family sharing can be used for that same account. A user cannot be part of another shared subscription or have an overlapping subscription that still grants full benefits.
Key points based on the sharing rules:
- Microsoft 365 Personal cannot be shared. It is licensed only for the original subscriber and cannot be combined with a shared Family/Premium subscription for the same person.
- For Microsoft 365 Family or Premium, sharing is only possible when:
- The subscription owner has an active Microsoft 365 Family or Microsoft 365 Premium subscription.
- There are shares remaining (up to five others).
- The invitee is not already getting full Microsoft 365 benefits from another subscription or family group.
- If the invitee is already in another family group or subscription, they must leave that group or stop that subscription before they can join the new shared subscription.
In this scenario, because the Personal subscription is only set to cancel at its renewal date (June 2026), the account is still considered to have an active subscription until that date. That prevents joining the shared Microsoft 365 Premium/Family subscription now.
To share the Premium/Family subscription with that account before June 2026, the Personal subscription would need to be fully ended (not just set to “cancel at renewal”) so that the account no longer has an active standalone subscription. Once that is done, the invite can be accepted and the account will receive the shared benefits immediately.
There is no automatic switch from the Personal subscription to the shared Premium/Family subscription at the future expiry date; the invite must be accepted after the Personal subscription is no longer active.
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