Services that are being halted for Office 2013 include technical tune-ups, bug fixes, and security patches. Users who connect to Microsoft 365 with an Office 2013 client may also experience performance or reliability issues.
Users are advised to upgrade to Microsoft 365 apps to reduce their risk of potential security issues and breaches.
Microsoft 365 apps are designed to receive regular updates, and will help you stay current by getting security updates and our latest features.