Convert qcow to xpi

What is the difference between .qcow and .xpi?

Description: Qcow is a disk image file format used by the QEMU virtual machine software. It is a copy-on-write format that allows users to take snapshots of a virtual machine and save them to a file. Qcow files can be used to store operating systems, applications, and data, and they are compressed and support encryption.; Efficient XML Interchange (EXI) is a binary XML format for exchange of data on a computer network. It was developed by the W3C's Efficient Extensible Interchange Working Group and is one of the most prominent efforts to encode XML documents in a binary data format, rather than plain text. Using EXI format reduces the verbosity of XML documents as well as the cost of parsing. Improvements in the performance of writing (generating) content depends on the speed of the medium being written to, the methods and quality of actual implementations.