ABCDP File Extension

ABCDP file icon
Address Book Card Data
  • Developer
    Apple, Inc.
  • Popularity
    3.2 (4 votes)

What is ABCDP file?

Full format name of files that use ABCDP extension is Address Book Card Data. Address Book Card Data format was developed by Apple, Inc.. ABCDP files are supported by software applications available for devices running Mac OS. ABCDP file belongs to the Various Files category just like 3591 other filename extensions listed in our database. The software recommended for managing ABCDP files is Mac OS X Address Book (Contacts).

Programs which support ABCDP file extension

Below is a table that list programs that support ABCDP files. ABCDP files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support ABCDP file

How to open file with ABCDP extension?

Problems with accessing ABCDP may be due to various reasons. What is important, all common issues related to files with ABCDP extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Mac OS X Address Book (Contacts)

The main and most frequent cause precluding users form opening ABCDP files is that no program that can handle ABCDP files is installed on user’s system. The solution to this problem is very simple. Download Mac OS X Address Book (Contacts) and install it on your device. The full list of programs grouped by operating systems can be found above. The safest method of downloading Mac OS X Address Book (Contacts) installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Check the version of Mac OS X Address Book (Contacts) and update if needed

If the problems with opening ABCDP files still occur even after installing Mac OS X Address Book (Contacts), it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Mac OS X Address Book (Contacts) is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why ABCDP files are not compatible with Mac OS X Address Book (Contacts). All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Mac OS X Address Book (Contacts).

Step 3. Assign Mac OS X Address Book (Contacts) to ABCDP files

After installing Mac OS X Address Book (Contacts) (the most recent version) make sure that it is set as the default application to open ABCDP files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Selecting the first-choice application in Windows

  • Clicking the ABCDP with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Mac OS X Address Book (Contacts) is installed. Now all that is left is to confirm your choice by selecting Always use this app to open ABCDP files and clicking OK.

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with ABCDP extension, select Information
  • Open the Open with section by clicking its name
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with ABCDP extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the ABCDP file is complete and free of errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper ABCDP file. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the ABCDP file for viruses or malware

Should it happed that the ABCDP is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the ABCDP file is indeed infected follow the instructions below.

2. Verify that the ABCDP file’s structure is intact

Did you receive the ABCDP file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with ABCDP extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Log out of your current account and log in to an account with sufficient access privileges. Then open the Address Book Card Data file.

4. Make sure that the system has sufficient resources to run Mac OS X Address Book (Contacts)

The operating systems may note enough free resources to run the application that support ABCDP files. Close all running programs and try opening the ABCDP file.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Address Book Card Data files and ensure security of your device and operating system. It may be the case that the ABCDP files work properly with updated software that addresses some system bugs.

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