Add file extension

File extension O2C

The most common cause of problems with opening the O2C file is simply the lack of appropriate applications installed on your computer. In this case, it is sufficient to find, download and install an application that supports the O2C file format - this type of programs are available below.

File type Objects To See 3D
Developer N/A



It should be noted that some coded data from files that your computer does not read can be sometimes previewed in a Notepad. This way, we will read passages of a text or numbers. It is worth checking if this method can also be applied to the O2C files.

What should be done when an application from the list has already been installed?

Often, an installed application should automatically link to a O2C file. If it did not happen, the O2C file can be linked with the newly installed application manually. Simply right-click on the O2C file, then from the available list select "Choose default program". Next, select "Browse" and find the application you selected. These changes have to be confirmed by pressing the "OK" button.

Programs that can open the O2C file

  • Objects to SeeObjects to See
  • o2c playero2c player

Why can’t I open the O2C file?

However, problems with the O2C files can also have a different background. Sometimes even the software, installed on your computer, that supports the O2C files does not solve the problem. The reason for the fact that the O2C file can’t be opened and used can also be:

- an incorrect link to the O2C file in the registry entries
- corruption of a O2C file, that you want to open
- infection of a O2C file (viruses)
- insufficient computer hardware resources
- drivers out of date
- accidental deletion of the O2C file from the Windows registry
- incomplete installation of the program that supports a O2C file?

Solving these problems should allow the free opening and working with the O2C files. If the computer still has problems with the files, use the services of an expert who will diagnose a specific cause.

My computer does not show file extensions, what should I do?

In the standard Windows settings, a computer user cannot see the O2C file extension. However, you can successfully change this in the settings. Just go to "Control Panel" and select "Appearance and Personalization". Then, go to the "Folder Options" and open the "View" tab. On the "View" tab, you will find "Hide extensions for known file types" – you should mark this option and confirm by pressing "OK". At this point, the extension of all files, including the O2C files should be displayed after the file name.