Conversations are a great way to communicate with a contact. The great news is that no matter how you communicate with the contact, all of your conversations will be in one unified inbox. Here's how to Edit Assigned Users To A Contact:
Navigating To The Contact Details Tab
Navigating To The Contact Details Tab - Step 01
Click "Contacts"
Navigating To The Contact Details Tab - Step 02
Click the contact you wish to view.
How To Edit Assigned Users To A Contact - Step 01
Click the "Assign to" dropdown here.
How To Add Assigned Users To A Contact - Step 02
Select the user you wish to assign to the contact.