Overview

By enabling the Multicurrency option in Setup tab, a field with currency options is displayed in the vendor setup window so a different currency can be selected. 

Instructions

The vendor's window should look like this before you start to setup the exchange rate:

To complete accordingly the setup, please follow the next steps:

1. Go to Setup > Settings
2. In Company Setup section, click on Currency Options link.
   
   
   
   
3. A pop-up window will display. There you should validate the home Currency that is displayed by default. The Multicurrency checkbox will appear as uncheck.
   
   
   
   
   
4. Then, check the Multicurrency checkbox and confirm the following information is displayed.
   
   
   
   
   
5. Check the "I understand I can't undo Multicurrency" option and click on Save button.
6. Click on Currency Options link  again and confirm the window is displayed as follows:
   
   

The vendor's window should now look like this: