DUN File: What is it?

Writer:   |   Revised: November 26, 2018

Microsoft Silver

DUN File Summary

Our most recent information indicates that DUN files are associated with two unique file types (the most prevalent being the Dungeon Defenders Saved Game File format) and can be viewed primarily with Trendy Entertainment Dungeon Defenders, including one other known software applications (listed below). Generally, these files are considered Game Files, but they can also be Settings Files.

DUN files are found on both mobile and desktop platforms and can be opened using Mac, iOS, and Android operating systems. The Popularity Rating for DUN files is "Low", which means these files are not ordinarily found on an everyday user's device.

Please see the detailed information below to learn more about DUN files and the programs that can open them. In addition, we provide simple troubleshooting information to help you open your DUN file.

Low
Demand
6418
File Rank

/ 11690

Active

Importance

26

November

2018

Amended

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Sorts of DUN Files

  2 known file types use this extension

Primary DUN File Association

.DUN
File Name:.dun
Type:Dungeon Defenders Saved Game File

A game file made using Dungeon Defenders; a tower defense multiplayer online game. It saves information relating to the player's hero, such as the experience, items, or any other game achievements. It is stored locally on the desktop computer or the iOS or Android device.

Developer: Trendy Entertainment
Kind:Game Files
Subkey: HKEY_CLASSES_ROOT\.dun

Software Programs That Open The Dungeon Defenders Saved Game File:


Trendy Entertainment Dungeon Defenders by Trendy Entertainment

Mac
iOS
Android

Other DUN File Associations

.DUN
File Name:.dun
Type:Dial Up Network File

Internet connection settings file for DUN (Dial-Up Networking) tool included in some earlier versions of Windows. It stores the phone number as well as modem settings for connecting to an ISP. It usually has a corresponding shortcut which is contained on the desktop for quick access.

Developer: Microsoft Corporation
Kind:Settings Files

Software Programs That Open Dial Up Network File Files:


Microsoft Dial-Up Networking by Microsoft Corporation

Compatible with:

Windows

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DUN Demand


OS Hierarchy

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


Troubleshooting Problems Opening DUN Files


Frequent DUN Opening Issues

Trendy Entertainment Dungeon Defenders Disappeared

You encounter an error message such as "%%os%% Can't Open DUN Files" when trying to open your DUN. Usually, this is because you do not have Trendy Entertainment Dungeon Defenders for %%os%% installed. Your operating system cannot associate your DUN with Trendy Entertainment Dungeon Defenders, so double-clicking the file won't work.


Tip: When you have another program installed that you know will open your DUN, you can select it from the other programs listed (see "Show Apps").


Incorrect Trendy Entertainment Dungeon Defenders Version

In some cases, you might have a newer (or older) version of a Dungeon Defenders Saved Game File file that is unsupported by your installed application version. You will need to download a newer version of Trendy Entertainment Dungeon Defenders if you don't have the right version. Your Dungeon Defenders Saved Game File file was probably created by a newer release of Trendy Entertainment Dungeon Defenders than what's currently installed your computer.


Tip: Find clues on the correct software version by right-clicking your DUN file and clicking "Properties".


Ultimately, most of the difficulties opening DUN files are due to having the wrong version of Trendy Entertainment Dungeon Defenders installed.


Additional DUN Opening Issues

Errors opening Dungeon Defenders Saved Game File files can still occur even with the latest Trendy Entertainment Dungeon Defenders software installed on your computer. If you're still experiencing problems opening DUN files, there could be other computer problems. These issues include:

  • DUN file references in the Windows Registry are broken
  • Corruption of the DUN file description inside the Registry
  • Trendy Entertainment Dungeon Defenders or another DUN application experienced a flawed installation
  • DUN file corruption
  • Your DUN has adversely impacted by malware
  • Hardware related to DUNs has device driver corruption
  • Insufficient system resources to successfully open Dungeon Defenders Saved Game File files

Quiz: Which operating system pioneered hierarchical file system (eg. file folders)?









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