.DUN File Extension

File Type 1

Dungeon Defenders Saved Game File

Developer Trendy Entertainment
3.0  |  1 Vote
Category Game Files
Format Binary

What is a DUN file?

Game file created by Dungeon Defenders, a tower defense multiplayer online game; saves information about a player's hero, including experience, items, and other game achievements; saved locally on the iOS or Android device, or on the local desktop computer.

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Programs that open or reference DUN files

Updated January 11, 2013
File Type 2

Dial Up Network File

Developer Microsoft
2.0  |  1 Vote
Category Settings Files
Format N/A

What is a DUN file?

Internet connection settings file used by the Dial-Up Networking (DUN) tool included with some older versions of Windows; saves the phone number and modem settings for connecting to an ISP; often has a corresponding shortcut that is stored on the desktop for quick access.

Programs that open DUN files

Updated April 4, 2012

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