Widely used by graphics designers and multimedia producers as graphics templates, PSD format offers great enhancing features. Unlike other image formats, it can hold layers with masks, transparency, text, alpha channels and spot colors, clipping paths and duotone settings, which offers varied functionality.
This allows you more flexibility and ease to customize your design before uploading it to WordPress. Editing a theme template on PSD has its advantages like: Fast delivery of web design work to customers and. Great ease for designers to customize the design based on customer needs.