Windows 95 Installation and Upgrading Converting Win3.1 Program Manager Groups If the Win95 upgrade, for some reason, did not convert a Win3.1 Program Manager group to Win95's "Start Menu" format, first open the Windows directory with Explorer. Find the .GRP Program Manager group file that you wish to convert, and just double-click the file.   Add: Del.icio.us | Digg | Furl | My Yahoo!   Discuss This Tip Print This Tip Get E-Mail When New Tips are Online Return to the Windows 95 Installation and Upgrading page.