Open ABCDG file

Apple Address Book data

What is abcdg file? Understanding and opening abcdg files

abcdg file icon Are you facing difficulties opening abcdg files on your computer, or wondering exactly what abcdg file is?
We've got the best software solutions for opening abcdg files effortlessly.

Apple Address Book data

An abcdg file extension is associated with the Address Book for macOS (OS X). An abcdg file contains data.

Further details

The abcdg file extension is reported to be used by Apple Address Book (also known as Contacts) a contact management app for Apple macOS (OS X) operating system.

The abcdg file stores some kind of data used by Apple Address Book.

Open abcdg file with:

Address Book (Contacts) for Mac icon

Address Book (Contacts) for Mac

Contact management tool for macOS

macOS icon


A Unix-based desktop operating system for Apple Mac computers

Mac OS X icon

Mac OS X

Unix-based operating system for Apple Mac computers

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

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