1. A computer-implemented method for converting data from a first format to a second format, the method comprising: receiving data in a first format including indicia of visual structure, the indicia of visual structure describing positions of portions of the data in relation to a document including the data; transforming the data to include outline structure based on the indicia of visual structure, the outline structure including a plurality of levels, at least one portion of the data being associated with one of the plurality of levels.