Home : File Types : TOP File

.TOP File Extension

File Type 1Gromacs Topology File

3.2 (5 Votes)
CategoryData Files

What is a TOP file?

Data file created by Gromacs, a molecular data analysis application; contains a molecular topology, which formally describes the structure of a molecule; created by pdb2gmx, a program that generates topologies from Protein Data Bank (.PDB) and Residue Topology Parameter (.RTP) files.

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Programs that open TOP files

Updated 8/3/2011

File Type 2TopSolid Design Document

DeveloperMissler Software
2.7 (3 Votes)
CategoryCAD Files

.TOP File Association 2

CAD file created by TopSolid, a program used for CAD design and PDM (product data management); stores a CAD drawing, which is comprised of one or more parts; includes the 3D geometry of the part models and may include Bill of Materials (BoM) information as well.

More Information

TOP files can be viewed with Missler's free TopSolid'Viewer CAD viewing software.

Programs that open TOP files

Updated 2006

About TOP Files

Our goal is to help you understand what a file with a *.top suffix is and how to open it.

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