uof It is a document file format developed in China by Chinese office of software work group (COSWG). It is an open standard for office applications sometimes known as unified office format. It includes presentation, words processing and spreadsheets. Although there are specific applications for each which are widely and commonly used compared to UOF, for text documents(UOT), Presentation(UOP), and spreadsheets(UOS).
xml XML files are used to interpret, transport, structure and store data. It was designed with the aim of the generality of usage across all over the Internet.