1. Go to your Settings ->
2. General ->
3. Store currency - Change formatting ->
In "HTML with currency" enter:
${{amount}} USD
In "HTML without currency" enter:
${{amount}}
4. Click Save.
(!) This applies for stores with USD default currency, follow the same steps and change the "USD" and "$" for other currencies.
Anything not working as expected? we would be happy to help > Get help here