Microsoft Office 2019 and 2021 for Mac view-only conversion (2026)
Summary
This article documents Microsoft's plan to degrade Office for Mac by July 13, 2026 due to a certificate expiry, forcing a reduced functionality mode where editing and saving may be blocked. It contrasts past assurances that Office 2019 would continue to function with updated policy by May 2026, explains the certificate mechanism, outlines the impact on Mac/iOS versus Windows, and notes consumer reactions and potential alternatives or workarounds.