This free viewing program covers all the important features for a collaboration tool. The TopSolid'Viewer lets external partners and and the external team view any TopSolid drawings. You can share documents without the need to export to a different format. Likewise, the viewer supports the TopVw format which enables sharing of more compact files.
The TopSolid'Viewer supports printing and annotation as well as enabling inclusion of TopSolid drawings in Microsoft Word and Excel.