Looks an easy question right? Go to Microsoft Dynamics GP menu >> Tools >> Setup >> System >> Currency >> Currency expansion button and select the € symbol!
Well not that’s easy, if you had languages other that the English or your collation for SQL is not Latin you will get the below:
This symbol actually represents the Euro currency symbol, select this symbol and go try to print a report, you will find the symbol there:
Mohammad R. Daoud MVP - MCT
MCP, MCBMSP, MCTS, MCBMSS
+962 - 79 - 999 65 85