A daily updated filename extension database!

REXX file extension

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

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

✅ IBM REXX Source Code

REXX file is an IBM REXX Source Code. REXX (Restructured Extended Executor) is a programming language that is supported by an interpreter provided as part of the i5/OS licensed program.
Application: IBM REXX
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
REXX aliases:
REXX related links:
REXX related extensions:

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

🚫 The .rexx file extension is often given incorrectly!

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

exx, resx, rex

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

IBM Linkway MsgPut Data
ASP.NET Resource
ReCycle Loop Data
4D Database Client Local Data

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

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