High Quality Content by WIKIPEDIA articles! Uniform Office Format sometimes known as Unified Office Format (UOF) is an open standard for `office` applications developed in China. It includes word processing, presentation, and spreadsheet modules, and is made up of GUI, API, and format specifications. The document format described uses XML contained in a compressed file container, similar to ISO/IEC 26300:2006 OpenDocument and ISO/IEC 29500:2008 Office Open XML.