Moderate; requires specific software (TIA Portal) to fully utilize. Provide the device model or brand (e.g., Zadez mouse or Antminer Z15 Go to product viewer dialog for this item. ) to get more specific instructions. What is it? How to open a ZAP15 file? - FILExt

It effectively compresses massive project data—including PLC code, HMI screens, and hardware configurations—into a manageable single file. This makes it significantly easier to share or archive complete automation systems without losing individual file links.

While there is no single software product officially named "ZA15," a search for "ZA15 zip" typically refers to the project archives, often found with the .zap15 extension.