Abstract: A modular automatic warehouse comprising at least one module having a parallelepiped shape delimited by respective vertical uprights is provided. The module comprises a first and a second element, each element comprising a plurality of substantially horizontal seats or guides defined by structural flanks for the introduction and/or extraction of a respective plurality of shelves or drawers adapted to contain articles to be stored. The first and second elements being opposite to each other and separated by a compartment inside which at least one lift operates. The lift is able to translate from a lowered position to a raised position in order to move to a location of the drawers. The warehouse may further comprise a means for translating at least one at a time of the drawers towards further similar adjacent modules in turn provided with a means for translating the drawers to be displaced.