The scientific interest towards additive manufacturing (e.g., 3D-printing) of high-entropy alloys is rapidly growing due to its higher flexibility for design and operation. The fabrication of CrMnFeCoNi (or Cantor) high-entropy alloy via additive manufacturing not only overcomes the challenges of casting and powder metallurgy but also alters the deformation pathways due to significant microstructural changes. Thus, the compressive deformation behavior of CrMnFeCoNi high-entropy alloy manufactured via laser-beam powder bead fusion was analyzed in the current work using electron backscatter diffraction (EBSD). The simultaneous activation of different deformation mechanisms was scrutinized, wherein the formation of dense slip traces was observed along with the activation of deformation twinning.