CAD Viewer

View DWG, DXF, STEP, STL, IFC, OBJ, FBX, GLB, and other CAD files directly inside PowerPoint or Excel. CAD Viewer gives you an embedded online viewer for both 2D drawings and 3D models, with no extra CAD desktop software required.

Key Features

• 2D CAD viewing: Open DWG and DXF drawings.
• 3D CAD viewing: Open STEP, STL, GLB, GLTF, OBJ, IFC, FBX, 3DM, 3DS, 3MF, AMF, BREP, DAE, IGES, OFF, PLY, and WRL files.
• Embedded directly in Office: Insert the add-in into your document and view CAD content right inside the page instead of switching to a separate desktop viewer.
• Built-in viewer controls: Review both 2D drawings and 3D models with dark or light backgrounds, fit-to-view, zoom controls, and document-friendly navigation.
• No extra viewer to install: Open technical drawings and 3D engineering files inside PowerPoint or Excel without installing a separate CAD viewer.

How to Use

1. Insert CAD Viewer into your PowerPoint slide or Excel worksheet.
2. Sign in and click Load to choose a CAD file from your computer.
3. Wait for the drawing or model to open inside the viewer.
4. Use the theme, fit, and zoom controls to review the file directly in your document.

FAQ

• How do I open a DWG file in PowerPoint? Install CAD Viewer, click Load, and choose your DWG file. The drawing opens directly inside the add-in viewer.
• How do I open a STEP or STP file? Insert the add-in, click Load, and select your STEP or STP file. The 3D model opens inside the embedded viewer so you can fit, zoom, and inspect it in your document.
• What file types are supported? The add-in currently supports DWG and DXF for 2D drawings, plus 3DM, 3DS, 3MF, AMF, BREP, DAE, FBX, GLB, GLTF, IFC, IGES, OBJ, OFF, PLY, STEP, STL, and WRL for 3D viewing.
• Can I use this in Excel as well as PowerPoint? Yes. The add-in can be inserted as a content add-in in both PowerPoint and Excel.
• Can I switch between dark and light backgrounds? Yes. The viewer includes a theme toggle so you can switch between light and dark backgrounds for better drawing and model visibility.
• Can I quickly reframe the drawing or model? Yes. Use the Fit control to recenter the full drawing or model in the available viewing area.

Support

Need help? Contact our support team.