.DUN File

File extension: DUN

File type: Dial-Up Networking Export File

Do you have DUN - related issues?
First check your registry for hidden errors.

Notes about the DUN file extension:

Errors in your registry are one of the common causes for incorrect file associations on your windows system. It is highly recommended that you check your registry for file association errors (will also check for any other registry errors).

The DUN file type is primarily associated with 'Dial-Up Networking Export File'.

Detailed information for file extension DUN:

Primary association: Dial-Up Networking Export File

Related links: DUN Info

Other applications associated with file type DUN:

Dunce File

Important: When encountering any file extension issues it is always recommended that you run a free scan for Windows registry errors.

Technical data

To view technical data on file-extension DUN click this link to expand/hide the additional area.

System Info for File Extension .DUN

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: dunfile, FileType: Dial-Up Networking Exported file, AppName: Dial-Up Networking User Interface
EXEFile: RNAUI.DLL

ProgramID: dunfile, FileType: Dialup Networking File, AppName: Network Connections Shell
EXEFile: NETSHELL.DLL

ProgramID: dunfile
EXEFile: %SystemRoot%\system32\RUNDLL32.EXE NETSHELL.DLL,InvokeDunFile %1

ProgramID: dunfile
EXEFile: %SystemRoot%\SysWow64\RUNDLL32.EXE NETSHELL.DLL,InvokeDunFile

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Did you know

Everytime you install & uninstall software and modify system components your Windows registry is left fragmented with obsolete, corrupted and harmful files.

We recommend you run a free registry scan to identify the issues causing problems on your PC:

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