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Details of the .rei file extension

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

  • What is the .rei file?
  • What program do I need to open a .rei file?
  • How can the .rei file be opened, edited or printed?
  • How can I convert .rei files to another format?
  • Where can I find the specifications for .rei?
  • Which MIME-type is associated with the .rei extension?

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

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

.rei file extension details

Reason Module Interface

Reason Module Interface .rei file icon
REI file is a Reason Module Interface. Reason is a programming language built on top of OCaml. I
REI format description not yet available
Category: Development files
Application: Reason
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
REI aliases:
REI related links:
REI related extensions:
Reason Module

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

.rei file extension error

The .rei file extension is often given incorrectly!

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

dei, tei, rri, rfi, rel, rej, rdi, ei, rsi, ri, reu, rek, re, eri

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Electric Image
TrackEye Image Sequence Data
C64 REU Image
Patch Reject File
Entis Rasterized Image
BlackBerry Email Filter
Fraunhofer EZRT Volume Data
Rohos Disk Image
Lotus 1-2-3 Data File
Nokia 5510 Phone Recorded Audio
open .rei file

Can't open a .rei 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 .rei file association, check the FAQ.

.rei file extension

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 .rei 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
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