1. Enable Files Connect - http://www.infallibletechie.com/2016/08/how-to-enable-salesforce-files-connect.html
2. Create a Permission Set with User License None.
3. Go to System Permissions and select "Files Connect Cloud".
4. Assign the Permission Set to the user.
5. Go to Security Controls --> Remote Site Settings.
7. Add the below remote site settings.
8. Create Authentication Provider - http://www.infallibletechie.com/2016/08/how-to-create-authentication-provider.html
9. Define External Data Source - http://www.infallibletechie.com/2016/08/how-to-define-external-data-source-for.html
10. Go to Files tab to check.
2. Create a Permission Set with User License None.
3. Go to System Permissions and select "Files Connect Cloud".
4. Assign the Permission Set to the user.
5. Go to Security Controls --> Remote Site Settings.
7. Add the below remote site settings.
8. Create Authentication Provider - http://www.infallibletechie.com/2016/08/how-to-create-authentication-provider.html
9. Define External Data Source - http://www.infallibletechie.com/2016/08/how-to-define-external-data-source-for.html
10. Go to Files tab to check.