Microsoft Visio is a powerful diagramming tool used across industries for creating flowcharts, organizational charts, floor plans, network diagrams, engineering designs, and more. While Visio offers a wide range of tools to visualize complex information, one essential feature often missing in its native toolset is custom watermarking. Whether you're sharing a Visio diagram with external stakeholders or protecting confidential blueprints, adding a watermark helps assert ownership, indicate document status (like "Confidential" or "Draft"), or brand documents with your company identity. That’s where the Add Watermark to VSDX File comes into play. The tool allows users to insert visible watermarks into Visio files. It extends the default capabilities of Microsoft Visio by offering automation and customization for watermarking. The tool is designed to apply custom watermarks across various MS Visio file formats, such as: vdx, vsdm, vsdx, vssm, vssx, vstm, vstx, vsx, ...