Files with x09 extension are used by the Paradox program. They include some index data information.
Software that open x09 file
X09 file extension - Corel Paradox secondary index file
What is x09 file? How to open x09 files?
The x09 file extension is associated with Paradox, a relational database management system sold by Corel Corporation, which is part of some editions of Corel WordPerfect Office suite.
The .x09 files contain secondary index information.
The default software associated to open x09 file:
Company or developer:
Corel Corporation
Paradox is a relational database management system currently published by Corel Corporation. It was originally released for DOS by Ansa Software, but a Windows version was released by Borland in 1992.
Company or developer:
Corel Corporation
WordPerfect Office is an complete office suite developed by Corel Corporation. Latest version is WordPerfect Office X8, available in some editions: Home & Student, Standard and Professional.
Probably most known programs that are included in WordPerfect Office are word processor called WordPerfect, a spreadsheet Quattro Pro, presentation program Presentations and database management system Paradox.
List of recommended software applications associated to the .x09 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open x09 file, edit x09 file, convert x09 file, view x09 file, play x09 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with x09 file - Corel Paradox secondary index file
Click on the software link for more information about Corel Paradox. Corel Paradox uses x09 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
Microsoft Windows:
Main software associated with x09 file by default:
Corel Paradox
Corel WordPerfect Office