Trimble - Transforming the way the world works.

On Monday, April 24, 2017, the anti-virus software Webroot incorrectly flagged many safe files as unsafe and had quarantined them. Several programs, including Accubid products were affected. To correct the issue, please follow the instructions here.

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This viewer is compatible with 64-bit operating systems (Windows® 7, Windows® 8, and Windows® 10).

Note: This viewer is compatible with Trimble® DuctDesigner 3D®, Release 2017 v1, and can be used only on computers running AutoCAD® 2017, AutoCAD® Architecture 2017, and AutoCAD® MEP 2017. It will not work with previous versions of Autodesk applications or Trimble® DuctDesigner 3D®. Please make sure you download the viewer for a compatible version of AutoCAD.