File Extension Database

Open TN3 File

The TN3 extension files are animated bitmap images used by Atari ST systems, developed in the late 1980s and early 1990s.

These files store multiple frames of bitmaps and the speed and duration of the animation sequence. They are basically used to reproduce high resolution animated graphics.

As mentioned above, the graphics contained in a TN3 file are high resolution, and the terminal number of the extension (3) indicates that they are indeed high resolution, this means that small images are also stored in a similar format of low resolution, in this case TN1 files, and consequently, medium resolution, TN2 files.

To open files with the TN3 extension you must have the program installed:

XnView

How Can I Open TN3 File on Windows

We researched and learned that the best way to open TN3 file is to find a TN3 file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a TN3 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 TN3 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 TN3 file opener then try to search online for "TN3 viewer", "application to open TN3 file" or "open TN3 file" queries in the search engine you like.
Install the application you found and check if it can open TN3 file

How Can I Open TN3 File on Mac OS

We recommend to find a TN3 file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a TN3 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 TN3 file.
If you know the Mac OS application which can work as TN3 file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open TN3 file in it.
If you don't know the application which can open TN3 file then try to search for "TN3 viewer", "application to open TN3 file" or "read TN3 file" queries in the online search engine you like.
Install the application you found and check if it can read TN3 file

How Can I Open TN3 File on Android

If you downloaded a TN3 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 TN3 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 "TN3".
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 "TN3 viewer", "TN3 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 TN3 File on iPhone or iPad

To open TN3 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 TN3 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 "TN3". This way you can find apps which can open TN3 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 "TN3 viewer" or "TN3 file" online in your favorite search engine.