Abstract: A filter element (31) of a fluid filter, in particular of a cuboid or hollow-cylindrical outer shape, having an inflow side (A) and an outflow side (B) relative to a fluid to be filtered, with the filter element (31) comprising a number of pleat walls (35) each arranged in a continuous folding between pleat edges (35A; 35B), which pleat walls are comprised of a fluid-permeable filter material, in particular having impressed elevations (37) constituting depressions on the other side of the filter material, and wherein between adjacent pleat walls in each case on the inflow side (A), aggregates of hardened adhesive are provided on said elevations (37) adhering to the pleat walls, wherein on the outflow side (B) and/or the inflow side (A) supporting elements are provided, the projection of which onto the plane of the adjacent pleat wall is situated in each case at least section-wise within the depressions.