LOCK File Extension

What is LOCK file?

A .LOCK file is used to lock a resource or a file supported by various OS and programs. When the files or resources are accessed concurrently by multiple users, the LOCK file instructs the users to wait until the resource/file is released for other users to access the same. The LOCK file is an empty file; however the file can contain properties and settings for the lock. Generally, whenever a new file is created a lock file is automatically created for the newly created file. The LOCK file is commonly supported on Unix-based systems and Red Hat Linux system.

Programs which support LOCK file extension

The following list contains programs grouped by 3 operating systems that support LOCK files. Files with LOCK extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Updated: 04/11/2020

How to open file with LOCK extension?

Problems with accessing LOCK may be due to various reasons. What is important, all common issues related to files with LOCK 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. Download and install Mozilla Firefox

Problems with opening and working with LOCK files are most probably having to do with no proper software compatible with LOCK files being present on your machine. This issue can be addressed by downloading and installing Mozilla Firefox or different compatible program, such as SkyDrive, Adobe Photoshop Lightroom, Microsoft Visual Studio. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading Mozilla Firefox installed is by going to developer’s website (Mozilla) and downloading the software using provided links.

Step 2. Check the version of Mozilla Firefox and update if needed

If the problems with opening LOCK files still occur even after installing Mozilla Firefox, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Mozilla Firefox is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that Mozilla Firefox cannot handle files with LOCK may be that the software is outdated. The latest version of Mozilla Firefox should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open LOCK files to Mozilla Firefox

After installing Mozilla Firefox (the most recent version) make sure that it is set as the default application to open LOCK files. The method is quite simple and varies little across operating systems.

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the LOCK file
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where Mozilla Firefox is installed, check the Always use this app to open LOCK files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

• From the drop-down menu, accessed by clicking the file with LOCK extension, select Information
• Find the Open with option – click the title if its hidden
• 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 LOCK extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the LOCK is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the LOCK file in question. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the LOCK file for viruses or malware

If the LOCK is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. LOCK file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with LOCK extension is complete and error-free

If the LOCK 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 LOCK 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. Switch to an account that has required privileges and try opening the Lock Format file again.

4. Check whether your system can handle Mozilla Firefox

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

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 Lock Format files. It is possible that one of the available system or driver updates may solve the problems with LOCK files affecting older versions of given software.

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