File Extension Library


.DNB File Extension

  • Developer by: Microsoft Corporation
  • Category: Various data Files

What are .DNB files and how to open them?

Can't open .DNB file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .DNB file.

What is a .DNB file extension?

.DNB file extension is created by Microsoft Corporation. .DNB has been classified as Various data Files.

.DNB is Microsoft Windows dns database

The dnb file extension is associated with the Microsoft Windows an operating system for IBM-PC compatible computers.

The dnb file stores DNS database in binary file format used by Windows network service.


How to open:

The dnb files are used for internal purposes of Microsoft Windows.

How to convert:

As far as we know, this .dnb file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .DNB files

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