File Extension Database

Open DNL File

The DNL file extension is an e-book storage file used by the DNL Reader program. The DNL Reader is an application developed by DesktopAuthor available for Windows, Mac and Android, which is part of the Education and science category of the Literature and references subcategory within the reading utilities of books. The file contains the text and images used in the ebook, along with navigation data. DNL files are of binary type and the DNL Reader software is required, both for their creation and for their reading.

As you might expect, DNL files are protected by DRM copyrights which limit the way files are shared between users.

How Can I Open DNL File on Windows

We researched and learned that the best way to open DNL file is to find a DNL file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a DNL file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open DNL file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as DNL file opener then try to search online for "DNL viewer", "application to open DNL file" or "open DNL file" queries in the search engine you like.
Install the application you found and check if it can open DNL file

How Can I Open DNL File on Mac OS

We recommend to find a DNL file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a DNL file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with DNL file.
If you know the Mac OS application which can work as DNL file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open DNL file in it.
If you don't know the application which can open DNL file then try to search for "DNL viewer", "application to open DNL file" or "read DNL file" queries in the online search engine you like.
Install the application you found and check if it can read DNL file

How Can I Open DNL File on Android

If you downloaded a DNL file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded DNL file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "DNL".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "DNL viewer", "DNL file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open DNL File on iPhone or iPad

To open DNL File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the DNL file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "DNL". This way you can find apps which can open DNL files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "DNL viewer" or "DNL file" online in your favorite search engine.