Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .req

2 extension(s) and 1 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .req file?
  • Which program can create the .req file?
  • Where can you find a description of the .req format?
  • What can convert .req files to a different format?
  • Which MIME-type is associated with the .req extension?
.req
Canon Camera Request File .req file icon

Canon Camera Request File

The REQ file is a Canon Camera Request File.
Category: Other files
Application: -
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
Related extensions:
-
.req
FidoNet Request Data .req file icon

FidoNet Request Data

The REQ file is a FidoNet Request Data. FidoNet is a worldwide computer network that is used for communication between bulletin board systems (BBSes).
Detailed description not available
Category: Data files
Application: Maximus
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
FidoNet Squish Index Data
FidoNet Squish Lastread Storage
FidoNet Squish Data
FidoNet Batched Newsgroup Data
Fidonet Software Distribution Network Info
.csr
Certificate Signing Request Data .csr file icon

Certificate Signing Request Data

The CSR file is a Certificate Signing Request Data. The CSR is a file containing a certificate application information, including the public key.
Detailed description not available
Category: Data files
Application: OpenSSL
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
req
Links:
-
Related extensions:
Certificate File
Key Database File
Certificate Trust List

Other types of files may also use the .req file extension. If you have helpful information about .req extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

GASEQ Data
SuperEQ Equalizer Settings Data
Python Regular Expressions Source Code
RoboForm SearchCard File
SPARQL Query
SDLX Registration Request Data
SpeedQuest Questionnaire
TINA Equation File

The .req filename extension is often given incorrectly!

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

re (1), eq (1), teq (1), rrq (1), rfq (1), feq (1), rsq (1), rq (1)

Can't open a .req file?

If you want to open a .req file on your computer, you just need to have the appropriate program installed. If the .req association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.req

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android