How to open NAV file extension?

The author of advice: Mr Brankiewicz

NAV files are incessantly popular. However, a file name containing NAV file extension is problematic for some of the users. They have problems with correct opening of a file with NAV extension. However, it should be remembered that NAV file extension can match one or more types of files. The most popular is Counter-Strike Source CBot Navigation Mesh Format but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning NAV files and search for its solution.

A list of programs supporting files types with NAV extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • Counter-Strike Source CBot Navigation Mesh Format

    .nav file extension

    Category: Games Files

  • MSN Application Extension Format

    .nav file extension

    Category: Various Files

    OS Software
    Windows Used by MSN programs Used by MSN programs

How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from NAV files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning NAV extension of files?

The problem that often causes damage concerning NAV extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the NAV file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports NAV file extension
  • NAV file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with NAV files


If NAV file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a NAV file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open NAV file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing NAV in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit NAV format (You can also try to find more informations on FileInfo). It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a NAV file? [ Add information about a NAV file ]

IB3 file extension IBRO file extension

5 564

of file extensions

8 858

of file types

5 504

of applications opening the files

1 661

of producers