How do I share a contact associated with an Opportunity to other Users?

How do I share a contact associated with an Opportunity to other Users?

This option is only available to Users with permission to share. You can only share Opportunities with users in the same organization or company as you. Contact Support, or your Consultant if you are unable to share Opportunities. If you'd like to learn about assigning Opportunities

If you are a Channel Manager or Admin of this Install, you can instead choose to change the Ownership of a Opportunity​ to another User to assign the Opportunity to them so they can start work on it.  
Navigate to the Opportunities section of your portal under Manage
Note: this may be under a different part of your navigation bar depending on your settings and customization. Contact your Support team or Consultant for further assistance if you can’t find the selection

Select the Opportunity Record you'd like to share

Select the Associated Contact that you wish to share.

Click on "Views" then "Sharing".

 
Navigate to the "Not Added" or "All" user tabs, then use the add/remove toggles to share the opportunity contact to the relevant users.