Error Code 626 of Microsoft Office commonly occurs because of an existing installation of MS Office pack in your computer system. Please note that this error is relevant to all the editions of Microsoft Office 2019, office 2021 and Microsoft Office 365.

This can occur in the below enlisted versions of the MS Operating System

Windows Server Edition of the year 2012/2008
Windows 10/11

Error Code 626 of Microsoft Office commonly occurs because of an existing installation of MS Office pack in your computer system. Please note that this error is relevant to all the editions of Microsoft Office 2019, office 2021 and Microsoft Office 365.

This can occur in the below enlisted versions of the MS Operating System

Windows Server Edition of the year 2012/2008
Windows 10/11