A daily updated filename extension database!

DNN file extension

The table below provides useful information about the .dnn file extension. It answers questions such as:

  • What is the .dnn file?
  • What program do I need to open a .dnn file?
  • How can the .dnn file be opened, edited or printed?
  • How can I convert .dnn files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ DotNetNuke Manifest Data

DNN file is a DotNetNuke Manifest Data. DotNetNuke (DNN) is a web content management system and web application framework based on Microsoft .NET.
Category: Data files
Application: DotNetNuke
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DNN aliases:
DNN related links:
DNN related extensions:

Other types of files may also use the .dnn file extension.

🚫 The .dnn file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cnn, dbn, dgn, dmn, dnb, dng, dnh, dnm, fnn, nn, snn

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Bentley MicroStation Drawing
Digital Negative Image
CNVkit Data
Danmakufu Script
Racelogic PerformanceBox Binary Data
YS Flight Dynamic 3D Model
MS-DOS Screen Text Font
SAS Stat Studio Metadata
Nero CD File List
Microsoft Windows Binary DNS Database

🔴 Can't open a .dnn file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .dnn file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .dnn file extension, write to us!

🔴 Rate our DNN page

Please help us by rating our DNN page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

4 of 5 stars (17 votes)
Thanks for voting!
Invalid vote.
Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文