Office 2013 end of support: Reduce your exposure to security risks by moving to a newer version of Office
After five years of Mainstream Support, and five years of Extended Support, Office 2013 will reach the End of Extended Support on April 11, 2023. Per the Fixed Lifecycle Policy, after this date security updates for Office 2013 will no longer be available. We recommend you upgrade to Microsoft 365 Apps, which includes the Office apps you are familiar with (such as Word, Excel, PowerPoint, and Outlook).
Note: If you don’t have Office 2013 deployed in your environment, you can safely disregard this message.