Office fallback version, from 2021 to 2019

install office2021, hold office2021 Reinstalled after uninstallation 2019 Version of . Always hint

 

Later I checked it on the Internet , It turned out to be the problem of the Version License . Before office2021 The version license of is still in , All we have to do is uninstall the license certificate OK 了 .

Search in the search box cmd command , Then open it as an administrator .（ Must be opened as an administrator ）

Use cd Command switch to C:\Program Files (x86)\Microsoft Office\Office16 Catalog . Enter the command cscript ospp.vbs /dstatus see office Version Certificate , As shown in the figure below ：

  Manually enter the command to uninstall the license

  Uninstall successfully , Enter the command again to confirm ：