DUN File
What are DUN files and how to open them
Are you having problems opening a DUN file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your DUN files.
What is a DUN file?
A .DUN file is a Windows Dial-Up Networking Configuration file.
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open DUN files
Important: Different programs may use files with the DUN file extension for different purposes, so unless you are sure which format your DUN file is, you may need to try a few different programs.
We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
Last updated: May 31, 2022
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