There are 2 ways to add and edit contact details in IncoDocs.
1 - Contacts Menu
On the left menu, click 'Contacts' and you will view your contacts list. You can click on a contact to edit them, or on the right of the screen, click 'New Contact'.
2 - Add Contacts in Documents
While creating a document, you can click 'Create Contact' to add and save all company details to insert into the document.
Note - you can click 'Additional Fields' to add any extra fields onto the document: