1. Select primary record's Relationship tab and edit the current spouse
2. Unmark This individual is the spouse
3. Change the relationship type to something other than Spouse. The relationship is no longer present on the Bio 1 Spouse screen, but is archived on the Relationship tab.
4. Add the new spouse either on the primary record's Bio 1 Spouse screen or on the Relationship tab by adding a new individual relationship and marking This individual is the spouse

note: If you edit the Bio 1 Spouse screen by selecting Relationship, Break link with [name], the information will not automatically archive on the Relationship tab.