The article outlines the steps to copy over address fields to the other address tabs without manually entering in the fields.
FOLLOW STEPS BELOW:
1. Populate the address details of at least 1 of the Address Fields (Billing/Postal/Delivery).
2. Right Click on the populated address box and 'Copy'.
3. Right click on the unpopulated address field and 'Paste'.
4. Click OK after confirming the address details.
NB. For a quick tutorial watch below