A CBR file is a Comic Book Archive file. It's essentially a renamed RAR archive containing a series of image files, typically in JPEG, PNG, or GIF format, which represent the pages of a comic book or graphic novel. The images are sequentially numbered or named to allow comic book reader software to display them in the correct order, creating a digital comic book experience. CBR files are a popular way to distribute and read comics digitally, offering a convenient and portable format. The RAR compression helps reduce the overall file size, making it easier to share and store large comic book collections. To view a CBR file, you need a specialized comic book reader application that can extract the images from the archive and display them in a user-friendly manner. These readers often offer features like zooming, page turning, and library management.