File Extension Library


.COZ File Extension

  • Developer by: EFILive Limited
  • Category: Various data Files

What is an .COZ file?

.COZ file extension is created by EFILive Limited. .COZ has been classified as Various data Files.

.COZ is EFILive calibration data

The coz file extension is associated with the EFILive, a tool for Microsoft Windows operating system that allows users to read and write data to car Engine Controller (ECM), Powertrain Controller (PCM), or Transmission Controller (TCM).

The coz file stores compressed calibration data for controllers.


How to open:

Use EFILive to open *.coz callibration data.

How to convert:

Conversion to other formats is not possible.

How to Open .COZ file on different platforms

Open .COZ File on Windows

  • Right-click a .COZ
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .COZ file and Select check box "Always use this app to open .COZ files" Press "Ok"

Open .COZ File on Mac

  • Right-click (or Ctrl + Left-click) the .COZ file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .COZ File on Linux

Right click on the .COZ file, choose "Open with" and select a program from the list above

Open .COZ File on iPhone

Select a file. If you don't see an application to open the .COZ file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .COZ File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .COZ files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .COZ files

  1. You need to update the application that you normally use to open .COZ files. Only the latest version of the software supports the current .COZ file format
  2. You need to check the .COZ file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)