https://www.officelivesupport.com/outlook-unlicensed-messages/ How to Fix Outlook Unlicensed Error Message? The purpose of Outlook’s unlicensed error message is to highlight issues with activation, making it difficult to use the software properly. Outlook, a popular email client, offers a variety of features but can encounter activation challenges. These errors often result in the inability to send emails or use certain functionalities. This article provides solutions to resolve these problems and get Outlook back on track.