In the title solvate, C16H18N2O2·CH4O, the dihedral angles between the formamidine backbone and the pendant 2-meth-oxy-phenyl and 2,6-di-methyl-phenyl groups are 14.84 (11) and 81.61 (12)°, respectively. In the crystal, the components are linked by C-H⋯O, O... ...