What is a .FTN File And How To Open It – Flowton (Easy Guide)

Table of Contents


Have you came across a file with the .ftn extension and you don’t know what it is? Perhaps you know what the file is, but you simply don’t know how to open it. In this article we will explain what .ftn file extension is, how to open it and how to work with it.

What is a .FTN file?

The file extension .FTN comes from Flowton Diagram File. This file extension belongs to the developer Flowton. This file belongs to the xml format and it is a vector related file.

What to know

There is currently 1 software that can open the .ftn file on 1 platform.

How to open a .FTN file?

Below we have written a comprehensive guide on how to open the .FTN file on various operating systems.

How to open a .FTN file on Windows (7, 8, 10)

Below you can see a visual guide on how to open the .ftn file on Windows in 4 easy steps.

1. In the first step you need to download the Flowton software. This software will be used for opening the file. The other software that you can use is Flowton.

Step 2

Step 2: Locating your .FTN file

2. The second step is locating the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Choose “Open with”

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Choose the software and click ok

4. After choosing the “Open with” option, you will have an option to choose the Flowton software you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .FTN file?

If you are still unable to open the .FTN file, it might be because you are trying to open the wrong one. The .FTN file extension is similar to other file extensions such as: .ftn – Fortran Source Code File. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .FTN file with the Flowton program on Windows.