Go to the proposal which you want to save as a template.
Under 'Actions', you will have the option 'Save as a New Template'. Click on it.

Enter the name of the template that you want to create and click the 'Save' button.

Under 'Actions', you will have the option 'Save as a New Template'. Click on it.

Enter the name of the template that you want to create and click the 'Save' button.

Updated on: 10 / 08 / 2021