What is an AEC file?
An .AEC file can belong to two completely different software systems. It is most commonly a compressed architectural drawing created by DataCAD. These files contain 2D and 3D designs used by architects and engineers. Alternatively, an .AEC file can be a Cinema 4D After Effects Composition file. Created by MAXON, this format transfers 3D scene data from Cinema 4D into Adobe After Effects for video compositing.
How to open AEC files?
Because an .AEC file can be either a CAD drawing or a 3D video composition, you need to know the exact format before you open it. If the file is a CAD drawing, you must use DataCAD. If it is a 3D animation file, you need the Cinema 4D plugin installed inside Adobe After Effects.
Inspecting AEC files online
If you do not know the origin of your file, viewer.online/aec can analyze .AEC files to identify the exact format and creator software. You can inspect the file structure, extract readable text, and check whether an online preview is available. Since the .AEC extension has multiple meanings, this is the best way to find out what your file actually contains.
Best practices and troubleshooting
Never rename the .AEC file extension. This will not change the file type and will cause software errors. If your software fails to open the file, it is likely because you are using the wrong application for your specific file type. Use an online inspection tool to read the file headers first before downloading multiple software packages.
Summary
viewer.online/aec is useful for identifying, inspecting, and understanding .AEC files without installing software or dealing with compatibility problems. It helps you safely determine whether your file is an architectural CAD drawing or a 3D video composition.