MOZ File Extension

MOZ file icon
Mozilla Cache Format
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    2.6 (5 votes)

What is MOZ file?

MOZ filename suffix is mostly used for Mozilla Cache Format files. MOZ file format is compatible with software that can be installed on Mac OS, Windows system platform. MOZ file format, along with 303 other file formats, belongs to the Web Files category. Netscape supports MOZ files and is the most frequently used program to handle such files, yet 4 other tools may also be used.

Programs which support MOZ file extension

Below you will find an index of software programs that can be used to open MOZ files divided into 2 categories according to system platform supported. Files with MOZ 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.

Programs that support MOZ file

How to open file with MOZ extension?

There can be multiple causes why you have problems with opening MOZ files on given system. On the bright side, the most encountered issues pertaining to Mozilla Cache Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install Netscape

The main and most frequent cause precluding users form opening MOZ files is that no program that can handle MOZ files is installed on user’s system. The most obvious solution is to download and install Netscape or one to the listed programs: Mozilla Firefox, SeaMonkey, Netscape Navigator. Above you will find a complete listing of programs that support MOZ files, classified according to system platforms for which they are available. The safest method of downloading Netscape installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update Netscape to the latest version

If you already have Netscape installed on your systems and MOZ 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. This can be one of the causes why MOZ files are not compatible with Netscape. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Netscape.

Step 3. Associate Mozilla Cache Format files with Netscape

If the issue has not been solved in the previous step, you should associate MOZ files with latest version of Netscape you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the MOZ file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where Netscape is installed, check the Always use this app to open MOZ 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 MOZ extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select Netscape and click Change for all...
  • Finally, a This change will be applied to all files with MOZ extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the MOZ is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the MOZ file in question. Being unable to access the file can be related to various issues.

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

If the MOZ 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 scanner detected that the MOZ file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

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

Did you receive the MOZ 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 MOZ 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.

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Mozilla Cache Format file again.

4. Check whether your system can handle Netscape

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Mozilla Cache Format file. It may be the case that the MOZ files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the MOZ file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on MOZ file.

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