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Search file extensions and learn what they are and how to open them.

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.stp
CAD

STEP Model

STP is an alternate extension for STEP files used for exchanging 3D CAD models.

How to open a .stp file

Common uses

Technical details

MIME typeapplication/step
CategoryCAD
PlatformsWindows, macOS, Linux

Info on this page is for general guidance and may vary depending on the software version or platform.