ABCDMR File Extension

What is ABCDMR file?

Full format name of files that use ABCDMR extension is Apple Address Book Mail Recent. Apple, Inc. defined the Apple Address Book Mail Recent format standard. ABCDMR files are supported by software applications available for devices running Mac OS. ABCDMR file belongs to the Database Files category just like 403 other filename extensions listed in our database. The software recommended for managing ABCDMR files is Mac OS X Address Book (Contacts).

Programs which support ABCDMR file extension

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

How to open file with ABCDMR extension?

Problems with accessing ABCDMR may be due to various reasons. Fortunately, most common problems with ABCDMR files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

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

The most common reason for such problems is the lack of proper applications that supports ABCDMR files installed on the 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 ABCDMR files still occur even after installing Mac OS X Address Book (Contacts), it is possible that you have an outdated version of the software.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. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why ABCDMR files are not compatible with Mac OS X Address Book (Contacts). The most recent version of Mac OS X Address Book (Contacts) is backward compatible and can handle file formats supported by older versions of the software.

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

If the issue has not been solved in the previous step, you should associate ABCDMR files with latest version of Mac OS X Address Book (Contacts) you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

• Clicking the ABCDMR with right mouse button will bring a menu from which you should select the Open with option
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Mac OS X Address Book (Contacts) installation folder. Confirm by checking Always use this app to open ABCDMR files box and clicking OK button.

The procedure to change the default program in Mac OS

• From the drop-down menu, accessed by clicking the file with ABCDMR extension, select Information
• Open the Open with section by clicking its name
• Select Mac OS X Address Book (Contacts) and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with ABCDMR extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the ABCDMR 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 ABCDMR file. Problems with opening the file may arise due to various reasons.

1. Check the ABCDMR file for viruses or malware

If the ABCDMR is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the ABCDMR file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If you obtained the problematic ABCDMR file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with ABCDMR extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Apple Address Book Mail Recent 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 ABCDMR files. Close all running programs and try opening the ABCDMR file.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Apple Address Book Mail Recent files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle ABCDMR files.

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