Solidworks Future Version File Converter Link !!install!!
: Parasolid (.x_t) is preferred as it is the native kernel for SOLIDWORKS. STEP (.step / .stp) is the industry standard alternative.
If the design uses a feature exclusive to the newer version, the software will prompt you, and you may need to delete or alter that feature to complete the save. solidworks future version file converter link
In recent years, Dassault Systèmes added a specific feature to the free (accessible via the web) to "Unsuppress" geometry, effectively acting as a converter. : Parasolid (