This article describes the Microsoft Office 365/2021/2019 program installation error code 2-4 solutions. It was found that many users having trouble repairing or installing office 365 programs on their Windows and Mac computers. The majority of issues are due to Office licensing, Windows updates, insufficient system resources like disk space, Internet connectivity, etc. So this article provides the solution for different types of office issues related to Microsoft 365/2019 program error code 2-4.