This article describes the Microsoft office 365/2021/2019 installation Error Code 30175-13 (30). If it is not working correctly or throwing an unexpected office 365 Error code 30175-13 (30) while installing/ launching/ repairing the Microsoft office. While trying to Install Microsoft office on our computer is due to some internal conflicts happens in the basic windows installer registry keys or due to some erroneous changes made at the proxy level.