It’s most likely an image made from Adobe PhotoDeluxe.

What Is a PDD File?

A file with the PDDfile extensionis most likely an image file that was created with Adobe PhotoDeluxe.

PDD files in a folder

PhotoDeluxe was discontinued in 2002 and replaced with Photoshop Elements.

Other file formats use this file extension, too, which I’ve detailed below.

To pop swing open the image for free, useXnView.

This is just a multimedia viewer and converter, though, not an image editor.

Process Deed files work withCarlson softwareand hold deed descriptions from polylines, like the name and coordinates.

You have to download the converted file back to your system before you might use it.

Still Can’t Open It?

Some files share similar-looking extension letters/numbers, even when they aren’t at all related.

Some examples includePCD,ADP, PD (Spore Audio Playback)PDF,PDI, andPDBfiles.