Multi-projector project documentation creates a permanent technical record of how a projection system was designed, installed, commissioned and accepted. This multi-projector project documentation guide explains how to organize projector IDs, model and lens records, layout drawings, signal-flow diagrams, network addresses, control information, geometry settings, brightness and color baselines, maintenance logs, replacement history and final handover documents. Well-structured documentation makes future troubleshooting, recalibration, preventive maintenance, projector replacement and lifecycle management more efficient for professional immersive, mapping, museum, dome and large multi-projector installations.