Files with .ZDP extension stores layout and graphics for labels created with Avery DesignPro software (versions 3.5 to 4.0). ZDP files are similar to ZDL or ZDS fle formats used by versions 5.0 and 5.1 of the software.

DesignPro software is used for creating and printing various labels such as postcards, business cards, letter envelopes/mailers, T-shirt prints and CDs. This software has been replaced by Avery Design & Print, which is backward-compatible and supports older formats.