A daily updated filename extension database!

FDI file extension

The table below provides useful information about the .fdi file extension. It answers questions such as:

  • What is the .fdi file?
  • What program do I need to open a .fdi file?
  • How can the .fdi file be opened, edited or printed?
  • How can I convert .fdi files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ TR-DOS Floppy Disk Image

FDI file is a TR-DOS Floppy Disk Image. The Russian ZX Spectrum models use the TR-DOS disk operating system. As more and more emulators support this, it is time to convert your disks to emulator files.
FDI format description not yet available
Category: Disk Image files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
FDI aliases:
scl, trd, udi
FDI related links:
FDI related extensions:
ZX Spectrum Emulator Snapshot

ZX Spectrum Emulator Snapshot Extended

ZX Spectrum Emulator Snapshot Z80

ZX Spectrum Emulator ZXS Snapshot

ZX Spectrum Emulator Tape Data TAP

ZX Spectrum Emulator Tape Data TZX

ZX Spectrum Emulator SLT Snapshot

ZX Spectrum 128 Audio

General Disk Image

Virtual Floppy Disk Image

Other types of files may also use the .fdi file extension.

🚫 The .fdi file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bdi, cdi, ddi, dfi, di, edi, fci, fd, fdk, fdl, fdo, fdu, ffi, fi, fid

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

WinFax Document
Fortran Interface File
Gforth Image File
Diskdupe Disk Image
MAP IEC Document
PTC Creo BDI File
Atech FastFont Data
Fortran Declaration File
Autodesk Maya Image File
D Language Source Code

🔴 Can't open a .fdi 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 .fdi 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.

If you have helpful information about the .fdi file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文