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Flash Image image
File type: Bitmap image file
Files with fi file extension can be mostly found as bitmap images.
Found 3 different file type records with the same fi filename suffix.
File type category:
Bitmap image file
Date updated: June 23, 2025
Record marked as obsolete and not updated for a long time.
The fi file extension is related to several image formats including the Flash Image.
Seems to be obsolete file format without support from developer. No further information could be found.
You are still able to view some FI formats using XnView.
XnView is able to export *.fi files to other formats.
File type category:
Various data file
Date updated: January 21, 2019
The fi file extension is also used by Gforth, a fast and portable implementation of the ANS Forth language.
It works nicely with the Emacs editor, offers some nice features such as input completion and history, backtraces, a decompiler and a powerful locals facility, and it even has a manual. Gforth combines traditional implementation techniques with newer techniques for portability and performance: its inner interpreter is direct threaded with several optimizations, but you can also use a traditional-style indirect threaded interpreter.
File type category:
Settings, options, themes or skins file
Date updated: November 24, 2017
Record marked as obsolete and not updated for a long time.
The fi file extension is also used by Microsoft Fortran for files that contain saved interface data.
Microsoft Fortran is Microsoft's implementation of the FORTRAN scientific-oriented high level programming language. It was one of their early core languages developed for the 8-bit computers and later brought to the 8086 and IBM PC.
Use Microsoft Fortran to work with *.fi files.
Language
