What is an .EPUB File Format? An ..EPUB file (short for electronic publication) is one of the most widely used formats for digital books. It is supported by most e-readers, tablets, smartphones, and computers, making it a universal choice for publishers and readers. How to Open an .EPUB File? Opening an .EPUB file is easy, […] The post What Is an EPUB File? How to Open, Format, Uses & Benefits Explained appeared first on Continual Engine.