1. Click on System Config > Merge > User Merge.
   

2. Find and Select the Users you would like to merge.
   NOTE: You are only able to merge 1 User into another.
   

   
   
   

3. Choose which User you wish to use as the core.
   NOTE: the non-core User will become 'Inactive' after the merge.
   

   
   
   

4. All User fields for the User Type will be listed.
   By default, all the data for the core User will be selected.
   You can select which information you would like to keep for each User field.
   

   
   
   

5. Choose all the data you would like to merge.
   

   
   
   

6. Once you are happy with the details, click on Perform Merge to merge the Users.