We found one dictionary that defines the word .pdd files:

Computing (1 matching dictionary)

1. .PDD files: Computer Telephony & Electronics Dictionary and Glossary

▸ Words similar to .pdd files ▸ Usage examples for .pdd files ▸ Idioms related to .pdd files ▸ Wikipedia articles (New!) ▸ Words that often appear near .pdd files ▸ Rhymes of .pdd files ▸ Invented words related to .pdd files