A CAD conversion from STP format (ISO product data files) to Excel spreadsheet (XLS, XLSX) is not generally possible. However, for reporting purposes, some programs offer export to CSV/XLS format with various data about the model.
Convert ISO-10303 STEP product data to Microsoft Excel 97 to 2003 workbook.
We found 2 software records in the database related to .stp to .xls file format conversion.
Microsoft Windows software - convert stp to xls on Windows
A 2D and 3D CAD construction software
Convert from stp 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 stp to xls. 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.
A 3D CAD translation softwate