It should be quite possible to convert SolidWorks assembly files (*.sldasm) to STP format. Some programs are able to disassembly files to part automatically whilst with other you will need to do it before.
Convert SolidWorks assembly data to ISO-10303 STEP product data.
We found 8 software records in the database related to .sldasm to .stp file format conversion.
Microsoft Windows software - convert sldasm to stp on Windows
A 2D and 3D CAD construction software
Convert from sldasm file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned sldasm to stp. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Leading 2D and 3D CAD development software from Autodesk
A widely-used 3D animation application from Autodesk
A dedicated CAD converter
A CAD converter with huge format support
A set of 3D modeling tools
A CAD visualizaton, analyzation and translating system
A CAD viewer program with conversion capabilities