FN file extension
The table below provides useful information about the .fn file extension. It answers questions such as:
- What is the .fn file?
- What program do I need to open a .fn file?
- How can the .fn file be opened, edited or printed?
- How can I convert .fn files to another format?
Table of Contents
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2 extension(s) and 0 alias(es) found in database
✅ STK Facility Networks File
FN file is a STK Facility Networks File. STK (Systems Tool Kit) is a physics-based software geometry engine that accurately displays and analyzes land, sea, air, and space assets in real or simulated time.
✅ GCL Cross Referencing Data
FN file is a GCL Cross Referencing Data. GCL (GNU Common Lisp) is the GNU Project's Common Lisp compiler. The .fn file contains cross referencing information as well as information useful to the collection utilities in cmpnew/collectfn.
Other types of files may also use the .fn file extension.
🚫 The .fn file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .fn 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 .fn 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.
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