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).
dbf A .dbf extension file is a database file that came into existence in the year 1983 when dBASE II was introduced. The DBF format files have a wide acceptance in commercial applications where .dbf extension files are considered to be the standard format to store structured data.