You log in , not on a separate website (except for account management).

: If the Office Timeline tab isn't showing in PowerPoint, go to File > Options > Add-ins , select COM Add-ins , and ensure "Office Timeline" is checked.

Ensure your local internet options allow the PowerPoint add-in to communicate with external web servers. 4. Single Sign-On (SSO) and Enterprise Access

As of early 2025, Office Timeline has moved from traditional license keys to a modern account-based login system

Check your inbox for a password reset link (check your Spam or Junk folder if it does not arrive within five minutes).

, the system fully transitioned away from product keys. Reverting to key-based activation is no longer possible. License Assignment:

: Launch Microsoft PowerPoint on your desktop.