How to open DBML file extension?

The author of advice: Mr Brankiewicz

DBML files are incessantly popular. However, a file name containing DBML file extension is problematic for some of the users. They have problems with correct opening of a file with DBML extension. However, it should be remembered that DBML file extension can match one or more types of files. The most popular is Microsoft Visual Studio Object Relational OR Designer Format but if there are others, you will find information concerning them below.

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

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

  • Microsoft Visual Studio Object Relational OR Designer Format

    .dbml file extension

    Category: DEV Files

    OS Software
    Windows Microsoft System Center Essentials with SQL Microsoft System Center Essentials with SQL
    Microsoft Visual Studio 2010 Microsoft Visual Studio 2010

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

  • Download Malware/viruses removal tool from DBML 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 DBML extension of files?

The problem that often causes damage concerning DBML 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 DBML 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 DBML file extension
  • DBML 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 DBML files


If DBML 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 DBML 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 DBML 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 DBML 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 DBML 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 DBML file? [ Add information about a DBML file ]

CDF file extension CFC file extension

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