This function allows you to store, in list form, the address information of people you frequently send packages and letters to. The saved address information can be used to create labels on the Japan Post Official App (JPN ver only).
＜Japan Post Official App information＞
https://www.lp.jpapp.pf.japanpost.jp/
Note that if the PC browser is used to display, then you can use CSV to batch register or output.
＜Related questions＞
Q. What is the uploading/downloading of the Address book file?
Q. What is the CSV format used to upload/download the Address book file?