Microsoft Office 365/2021/2019 installation error code 3-4 encountered that many users were having trouble repairing or installing office programs on their Windows and Mac computers. The major issues pop up due to Office licensing, Windows updates, insufficient system resources like disk space, Internet connectivity, etc. This article it gives solutions for different kinds of office issues related to office 2021/2019 error code 3-4 and sorry installation cannot continue because no compatible office products are detected.