An image processing apparatus comprising: address book storing means for storing a first address book that comprises a first name of the first address book and first address data of a plurality of first destinations; and importing means for importing a second address book, that comprises a second name of the second address book and second address data of a plurality of second destinations, to the first address book, wherein the second address book is received from an external apparatus, characterized in that the image processing apparatus further comprises: determining means for determining whether the second name of the imported second address book is a default name or not in a case where the second address book is imported to the first address book by using a first import method that deletes the first address data in the first address book and overwrites the second address data to the first address book; and control means for controlling the importing means, wherein the control means is configured, in a case where the determining means determines that the second name of the imported second address book is the default name, to control the importing means to delete the first address data in the first address book and to overwrite the second address data to the first address book such that the first name of the first address book is kept, and wherein the control means is configured, in a case where the determining means determines that the second name of the imported second address book is not the default name, to control the importing means to delete the first name and the first address data in the first address book and to overwrite the second name and the second address data to the first address book. address book storing means for storing a first address book that comprises a first name of the first address book and first address data of a plurality of first destinations; and importing means for importing a second address book, that comprises a second name of the second address book and second address data of a plurality of second destinations, to the first address book, wherein the second address book is received from an external apparatus, characterized in that the image processing apparatus further comprises: determining means for determining whether the second name of the imported second address book is a default name or not in a case where the second address book is imported to the first address book by using a first import method that deletes the first address data in the first address book and overwrites the second address data to the first address book; and control means for controlling the importing means, wherein the control means is configured, in a case where the determining means determines that the second name of the imported second address book is the default name, to control the importing means to delete the first address data in the first address book and to overwrite the second address data to the first address book such that the first name of the first address book is kept, and wherein the control means is configured, in a case where the determining means determines that the second name of the imported second address book is not the default name, to control the importing means to delete the first name and the first address data in the first address book and to overwrite the second name and the second address data to the first address book. determining means for determining whether the second name of the imported second address book is a default name or not in a case where the second address book is imported to the first address book by using a first import method that deletes the first address data in the first address book and overwrites the second address data to the first address book; and control means for controlling the importing means, wherein the control means is configured, in a case where the determining means determines that the second name of the imported second address book is the default name, to control the importing means to delete the first address data in the first address book and to overwrite the second address data to the first address book such that the first name of the first address book is kept, and wherein the control means is configured, in a case where the determining means determines that the second name of the imported second address book is not the default name, to control the importing means to delete the first name and the first address data in the first address book and to overwrite the second name and the second address data to the first address book.