In GEOM you can import
and export geometrical objects from\into BREP, IGES, STEP files.
To import geometrical objects from a BREP, IGES, STEP file:
From the File menu choose Import and select the required format of the file for importation. Then you will see a standard dialog box allowing to search for and choose *.brep, *.iges or *.step file:
Select the required file and click OK. You file will be imported into GEOM and its contents (geometrical objects) will be displayed in the Object Browser.
To export geometrical objects into a BREP, IGES, STEP file:
From the File menu choose Export and select the required format of the file for exportation. Then you will see a standard dialog box allowing to enter the name and select the location for the file which will be exported:
Click OK to confirm your exportation.