When I exporting the application it does not working so please help me for exporting the application.
Discussion posts and replies are publicly visible
If you are following these steps: https://docs.appian.com/suite/help/22.2/Deploy_to_Target_Environments.html#export
make sure you are (1) using a supported browser and (2) turn off pop-up blockers -- maybe that will help, short of knowing exactly what you are seeing and doing.