Known PKX Files

Leading PKX Type

.PKX

Formatting:	.pkx
Category:	Rational XDE Data

This file suffix is mainly used to store data associated with IBM Rational XDE. This is an XDE (eXtended Development Environment) used by software developers and accessible to Microsoft Windows, Linux, and Unix OS users.

Organization:	IBM
Kind:	Data Files
Subkey:	HKEY_CLASSES_ROOT\.pkx

Software Programs That Open The Rational XDE Data:

Rational Rose by IBM

Windows

Rational XDE by IBM

Windows

Linux

Unix

Additional PKX Files

.PKX

Formatting:	.pkx
Category:	3DS Pokémon Decrypted Saved Game

Decrypted game file associated with Pokémon, a series of video games for 3DS a video gaming hand-held console.

Organization:	Open Source
Kind:	Game Files

Software Programs That Open 3DS Pokémon Decrypted Saved Game Files:

PKHeX by Open Source

Compatible with:

Windows

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Understanding PKX Issues

Frequent PKX Opening Issues

Rational Rose is Not Installed

Double-clicking your PKX file prompts the message "%%os%% Can't Open PKX File". If so, it typically means that you don't have Rational Rose installed for %%os%%. The OS won't know what to do with your PKX file, so double-clicking to load the file doesn't work.

Tip: If you have another software that you know opens PKX files, you can select it by hitting the "Show Apps" button.

Rational Rose is Out-of-Date

In other instances, your Rational XDE Data file version may not be supported by your version of Rational Rose. Visit the IBM website to download (or purchase) the latest version of Rational Rose. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.

Tip: You can sometimes get hints about the right program version by right-clicking on the PKX file, selecting "Properties", and looking at the version information.

Ultimately, most of the difficulties opening PKX files are due to having the wrong version of Rational Rose installed.

Additional PKX Opening Issues

Assuming you have the right Rational Rose version installed, other problems can prevent you from opening PKX files. Other PKX opening errors can be created by other system problems inside of %%os%%. These issues include:

• PKX file references in the Windows Registry are broken
• Deletion of the PKX file description from the Registry by mistake
• Incomplete or bad installation of a software application associated with the PKX format
• Something has caused file corruption of your PKX
• Your PKX is infected with malware
• PKX-related hardware has device drivers that obsolete
• Windows cannot load your Rational XDE Data file due to insufficient resources (eg. RAM)