[TylerD]

Originally Posted by Adobe

Targa plug-in
Versions of Adobe Photoshop earlier than version 7.0 saved the first alpha channel in a file into the fourth channel when writing Targa files. Photoshop 7.0 changed the application's default behavior to save transparency information instead of an alpha channel, resulting in incompatibility with some existing workflows. In response to user feedback, this plug-in restores the earlier behavior of the Targa plug-in.

Note: The Photoshop 7.0.1 update contains all functionality included in the revised Targa plug-in, so downloading and using the revised plug-in is unnecessary with Photoshop 7.0.1.

www.adobe.com