ADDRESSBOOKLOCKS File Extension

What is ADDRESSBOOKLOCKS file?

Full format name of files that use ADDRESSBOOKLOCKS extension is Mac OS X (macOS) Address Book Data Format. ADDRESSBOOKLOCKS files are supported by software applications available for devices running Mac OS. ADDRESSBOOKLOCKS file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The most popular software that supports ADDRESSBOOKLOCKS files is Address Book (Contacts). Address Book (Contacts) software was developed by Apple, Inc., and on its official website you may find more information about ADDRESSBOOKLOCKS files or the Address Book (Contacts) software program.

Programs which support ADDRESSBOOKLOCKS file extension

The following listing features ADDRESSBOOKLOCKS-compatible programs. Files with ADDRESSBOOKLOCKS suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Updated: 10/08/2020

How to open file with ADDRESSBOOKLOCKS extension?

There can be multiple causes why you have problems with opening ADDRESSBOOKLOCKS files on given system. On the bright side, the most encountered issues pertaining to Mac OS X (macOS) Address Book Data Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install Address Book (Contacts) software

Problems with opening and working with ADDRESSBOOKLOCKS files are most probably having to do with no proper software compatible with ADDRESSBOOKLOCKS files being present on your machine. The solution to this problem is very simple. Download Address Book (Contacts) and install it on your device. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Address Book (Contacts) installer in the most secured manner, we suggest you visit Apple, Inc. website and download from their official repositories.

Step 2. Verify the you have the latest version of Address Book (Contacts)

If you already have Address Book (Contacts) installed on your systems and ADDRESSBOOKLOCKS files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of Address Book (Contacts) installed, it may not support ADDRESSBOOKLOCKS format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Address Book (Contacts).

Step 3. Assign Address Book (Contacts) to ADDRESSBOOKLOCKS files

After installing Address Book (Contacts) (the most recent version) make sure that it is set as the default application to open ADDRESSBOOKLOCKS files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

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

Selecting the first-choice application in Mac OS

• Right-click the ADDRESSBOOKLOCKS file and select Information
• Find the Open with option – click the title if its hidden
• Select 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 ADDRESSBOOKLOCKS extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the ADDRESSBOOKLOCKS 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 ADDRESSBOOKLOCKS file. Being unable to access the file can be related to various issues.

1. The ADDRESSBOOKLOCKS may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the ADDRESSBOOKLOCKS file hinders attempts to open it. Scan the ADDRESSBOOKLOCKS file as well as your computer for malware or viruses. ADDRESSBOOKLOCKS file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the ADDRESSBOOKLOCKS file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with ADDRESSBOOKLOCKS extension was interrupted and the file data is defective. Download the file again from the same source.

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 in using an administrative account and see If this solves the problem.

4. Check whether your system can handle Address Book (Contacts)

If the systems has insufficient resources to open ADDRESSBOOKLOCKS files, try closing all currently running applications and try again.

5. Ensure that you have the latest drivers and system updates and patches installed

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Mac OS X (macOS) Address Book Data Format files. It may be the case that the ADDRESSBOOKLOCKS files work properly with updated software that addresses some system bugs.

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