How to activate Microsoft Office in 2026

To activate Microsoft Access legally in 2026, the method depends on how you obtained it.

If you have a Microsoft 365 subscription that includes Access: Install Office from your Microsoft account. Open Microsoft Access. Sign in with the Microsoft account that owns the subscription. Access should activate automatically over the internet.

If you purchased a standalone copy of Microsoft Access or a one-time Office license:

Redeem your 25-character product key through Microsoft's setup page. Install Access. Sign in with the Microsoft account used to redeem the key.

For Microsoft's official instructions, see:

Activate Office for Windows

If Access shows "Unlicensed Product" or asks for activation:

Verify you're signed into the correct Microsoft account. Ensure your Microsoft 365 subscription is active (if applicable). Connect to the internet and restart Access. If needed, run Microsoft's activation troubleshooter from the support page.

If you tell me:

your Windows version (10 or 11), whether you're using Microsoft 365 or a one-time purchase, and the exact activation error (if any),