Abstract: A method for forming a storage device containing data, concerning blocks defining the composition of one or several pages of a document and associated with the storage device receiving all of the data and the content of the blocks identified by an identifier. The invention includes: collecting, at the storing device, block after block, and for each block, data concerning each block and associating the identifier and the data, with a site in the storage device; collecting the content of each block corresponding to a text and creating a text file wherein the content of the text block is transferred; and associating the identifier of each text block and each text file with a site in the storage device.