LRX - Sony Portable Reader File is a file extension that can be used to read eBooks. It is used by the Sony Portable Reader. If you are already using this, then you will be able to take advantage of this extension download. It is suitable for bringing out different images and even text. Everything is saved in a binary file format as well. They consist of a header and a certain number of objects too. Everything is protected and secured by DRM. You can access this download by simply going online. It is worth the installation and space.