Your Office 2021 license is not supported with this version of the application.
Are you seeing this message when you open Microsoft Office? If so you are not alone—this message started popping up for users following a Microsoft update.
What Is Happening?
Office 2021 (or Office Home & Business / Home & Student 2021) is a one-time, standalone perpetual license. However, the background updater (Microsoft AutoUpdate) automatically installed build 16.114.1.
This specific release package introduced a restriction where the app binaries no longer recognise perpetual 2021 license keys, dropping the suite into “Read-Only / Reduced Functionality” mode and pushing a … Read the rest