The File Extensions Database

.ABCDP File Extension

  • Developer by: Apple
  • Category: Data Files

What is an .ABCDP file?

.ABCDP is Address Book CoreData Person File

Backup metadata file created by Address Book, a contact organization application bundled with OS X; contains a property list for an Address Book data card entry with information about a person.

When Address Book is opened, ABCDP files are used to build or rebuild the SQLite database, which is used for quick searching. The files also enable address searching within the Mail and iChat applications, which are integrated with Address Book.

ABCDP files can be found in the following directory:/Library/Application Support/AddressBook/Metadata

NOTE: The ABCDP format was introduced in OS X 10.6. In OS X 10.8, the Address Book application was replaced with the Contacts application.

Programs that open Address Book CoreData Person File
Apple Contacts

How to solve problems with ABCDP files

  • Associate the ABCDP file extension with the correct application. On :
    Windows: Right click on any ABCDP file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ABCDP files". Mac: Right click (or Ctrl-click) the ABCDP file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ABCDP is Address Book CoreData Person File. Because only the current version supports the latest ABCDP file format. Search, therefore, e.g. on the Apple manufacturer website after an available .ABCDP is Address Book CoreData Person File update.
  • To make sure that your ABCDP file is not corrupted or virus-infected, get the file again and scan it with antivirus software.