1. Open up history item you wish to move.
2. Click on the horizontal line button - see example shown below in red: Move History - this icon (shown in red below) enables you to move the History item from the contact record you are currently working in over to another contact.
3. Enter the contacts name into the search bar to find the contact record you wish to move the History over to as shown below:
4. Select the contacts name by clicking on the yellow highlighted area to move the History into their contact record.
5. If you then go into the contact record that you moved it to you will see the history item there.