File -> Scripts -> Browse...and select the
Export Layers To Files (Fast).jsxfile.
Export Layers To Files (Fast)-progress_bar.jsonfile to run as well. Without this, you will get a "Progress bar resource corrupt" error. Please ensure that the
.jsonfiles are siblings in the same directory.
Photoshop > Presets > Scripts
/Program Files/Adobe/Adobe Photoshop VERSION/Presets/Scripts
/Applications/Adobe Photoshop VERSION/Presets/Scripts
File -> Scripts -> Browser -> Export Layers to Files Fast.