: If the Office Timeline tab isn't appearing in PowerPoint, you may need to re-enable it via the COM Add-ins menu in PowerPoint settings.
You can manage your timelines and account settings directly through the Office Timeline Online portal. Office Timeline Login/Account Management Changes
Effective use of Office Timeline begins with a streamlined login and setup process. Recent updates (as of late 2025) have moved from physical license keys to a modern , making it easier to manage your subscription and activate features directly within PowerPoint. Quick Setup Guide