All about ABCDI Files

The ABCDI file type is primarily associated with iOS/macOS Address Book.

ABCDI	File extension: ABCDI
	File type:	Address Book Data

What is an ABCDI file

ABCDI files mostly belong to iOS/macOS Address Book. An *.ABCDI file, representing approximately 95% of all such files, typically contains iOS/macOS Address Book data. It uses the plist (Property List) internal file format. This makes it central to storing and managing contact information within the Apple ecosystem.

How to open an ABCDI file

You need a suitable software like iOS/macOS Address Book to open an ABCDI file. You need a suitable software like iOS/macOS Address Book to open an ABCDI file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ABCDI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ABCDI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ABCDI Text Viewer

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.ABCDI File Won't Open? Here is What You Can Do

Because .ABCDI files can originate from different programs, they aren't universally openable.

Identify the Source: If received from an Apple user or exported during a device backup, it is likely iOS/macOS Address Book Data.
Check the Header: Open the file in a text editor or hex viewer to inspect the first bytes:
- "bplist" indicates an Apple binary property list.
- "SQLite format 3" implies a database file.
- Readable XML or vCard text suggests standard contact data.
Use the Original Software: The original program is usually required; try Apple Contacts, macOS Address Book, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for ABCDI File Extension

File classification:

Data File

Related files:

bundle, ds_store, xip

an abcdi Address Book Data is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with ABCDI files

Associate the ABCDI file extension with the correct application.
Update your software that should actually open address book data files. Because only the current version supports the latest ABCDI file format. Search, therefore, e.g. on the manufacturer website after an available iOS/macOS Address Book update.
To make sure that your ABCDI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ABCDI file online - secure, fast, and no downloads needed.