Microsoft 365 activation error with an "Unlicensed Product" warning on the screen – a common scenario when Office activation fails.
Microsoft 365

Microsoft 365 Activation Error? 9 Proven Fixes for Unlicensed Product (2026)

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Microsoft 365 Activation Error? 9 Proven Fixes for Unlicensed Product (2026) Table of Contents Why Microsoft 365 Activation Error Occurs