Microsoft closes the book on Publisher and unplugs Project Online

Microsoft will retire Project Online and remove Publisher from Microsoft 365 over the coming weeks, while support for perpetual versions of Publisher and for Office 2021 will end shortly afterward. Publisher, Microsoft's desktop publishing application, dates back to the Windows 3.x era. Microsoft announced its retirement in 2024 and will remove it from Microsoft 365 subscriptions on October 1, 2026.