What is REX? What Opens a REX? File Format List from WhatIs.com

File Extension

REX File Format

Local database file (4th Dimension)

REX is a file extension for a local database file used with 4th Dimension Software. REX files contain a database used cross-platform, web-enabled solutions. REX files can be opened with 4th Dimension software, created by 4D Inc.

The REX file extension is also associated with Oracle report definition files and REXX source code files.

 

Learn more about .REX files:

Visit the 4D web page.

Read the Database FAQ at ITKnowledgeExchange.com.

This was last updated in August 2010
Editorial Director Margaret Rouse

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