A daily updated filename extension database!

CMI file extension

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

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

✅ OCaml Compiled Interface

CMI file is an OCaml Compiled Interface. OCaml (Objective Caml) is the main implementation of the Caml programming language, created by Xavier Leroy.
CMI format description not yet available
Application: OCaml
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CMI aliases:
CMI related links:
CMI related extensions:
OCaml Library

OCaml Compiled Bytecode

OCaml Source Code

OCaml Interface Source

OCaml Ocamlyacc Input Data

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

🚫 The .cmi file extension is often given incorrectly!

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

cmo, dmi, cni, cim, xmi, chi, smi, mci, cmu, cml, cmj, cli, ci, vmi, mi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OCaml Compiled Bytecode
Cimplicity HMI Screen
CWBench Data
BYOND Dream Maker Icon File
C To Haskell Interface File
FME Include File
Chemical Markup Language File
GTA San Andreas CLEO Custom Mission
Extended MIDI Song
iBlaze Case Information File

🔴 Can't open a .cmi 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 .cmi 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 .cmi file extension, write to us!

🔴 Rate our CMI page

Please help us by rating our CMI page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

4 of 5 stars (11 votes)
Thanks for voting!
Invalid vote.
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