Create a Conga List View Button
Note: Requires Conga Conductor
First step is creating conga conductor formula
If you have problems, delete the offending parameter in the conga solution and recreate manually in the formula field later:
(Make sure you then add it back to your solution!)
Note: an example error I encountered:
Conga merge field is: {!Opportunity.Mail_Receipt_TemplateId__c}
specifies that conga using ID of record in lookup field, not the name)
But the actual field name is: Mail_Receipt_Template__c therefore I added this field in manually.
Test Conga Conductor formula using a hyperlink on record:
Then follow steps below carefully to create list view button: