REQ File

What are REQ files and how to open them

Are you having problems opening a REQ file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your REQ files.

What is a REQ file?

REQ files have multiple uses, and FidoNet Request is one of them. Read more about the other uses further down the page.

FidoNet Request File

These files are used by the FidoNet message and file-swapping software application. FidoNet is made up of a network that exchanges emails and files using a protocol that is proprietary to the FidoNet software.

FidoNet utilizes thousands of computer systems in different parts of the world to make up a vast and robust network.

The files containing the .req suffix contain request files used by the FidoNet software. These REQ files are sent out through the user's modem to transmit email and Usenet news data to the associated server.

How to open REQ files

Important: Different programs may use files with the REQ file extension for different purposes, so unless you are sure which format your REQ file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different REQ openers which you will find listed below.

Last updated: January 22, 2025

All known file formats using extension .REQ

While FidoNet Request File is a popular type of REQ-file, we know of 2 different uses of the .REQ file extension. Different software may use files with the same extension for different types of data.

AskEnv Requester Definition

We know that one REQ format is AskEnv Requester Definition. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of REQ files. Remember, different programs may use REQ files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about REQ file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.