In the article the features of office work and questions of classification of documents of government and management bodies are considered on the territory of White Siberia in the years of the Civil War. The system of office work in the years of the Civil War on the territory of White Siberia was a structure providing the order, a strictly certain algorithm of working with business and official documents. The choice of the model of office work was defined by the practice of work of the White Government with the documents in the emergency terms of the Civil War on the territory of White Siberia. Types of the documents created were specified by the terms of their creation. The documents varied in form, content and purpose. This research tradition considers all the documents created by the White Government, in the form of the following groups: regulations, official documents and correspondence; this practice is due to the use of these documents as historical sources. In the times of White Siberia no legislation was adopted governing general civil proceedings. Not only legislative but also methodological documents were issued for military equipment detailing aspects of the content and way to work with documentation. The isolation of the systems of civil and military office work in the conditions of the Civil War resulted in registration of two systems of documentation. The documents created by anti-Bolshevik government and management bodies on the territory of White Siberia in the period from 1917 to 1920. There were three basic types of documents. The first group included legislative and normative acts, containing obligatory binding orders expressing the will of the state. The second group is informative-instructing documentation. The third group is made up by internal documents (interdepartmental) - all types of the documents created during the activity of government and management bodies of no normative character. In turn, the system of military documentation in 1918-1920 included no less than 11 types of documents. Special position in office work of government bodies' character of co-operation played White Siberia civil and military managements. In the conditions of the Civil War transformation of the set forms of civil document of the White Government were changed, in compliance with operative requirements and terms of the Military Department. In the end with the defeat of Kolchak the former system of management documentation was liquidated.