Here is a simple guide on how to disable chat filter. if you think it is annoying.
How to Turn Off Chat Filter in Age of Empires IV
1) Go to
C:\Users\((USERNAME))\Documents\My Games\Age of Empires IV
2) Scroll down to and open up this file, configuration_system.lua ,in notepad
3) Scroll down to line 135: Setting filterchat
4) Change ‘True’ to ‘False’
5) Congratulations, you have now overcome this great firewall of China lookin’-ass feature. You can now see uncensored messages. Long live freedom!