The main window of Open Contacts allows you to browse through the records you introduce and edit each entry. 

Open Contacts can display various layouts so it will be easier for you to add, edit or delete contact information on people or companies. 

The Tools menu of Open Contacts enables you to manage the list of contacts, modify the data in general categories of in more particular cases and also perform batch processing between people and companies. 

In the Output menu you will be able to choose how the contacts will print and also export them to various file formats.