The End of Phone Activation: How to Activate Windows and Office Offline in 2026
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Microsoft retired its telephone-based product activation service in December 2025 and replaced it with a web-based Product Activation Portal that preserves offline activation workflows. Users now generate a product ID on the offline device and use a secondary internet-enabled device to obtain an activation ID via the portal; the account used to access the portal is only for identity verification and is not bound to the product license.
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