.htm / .html	Web page file extension	Netscape, Internet Explorer and America Online will open these files
.jpg	Web picture format, usually for photographs	Some applications which will open these files are: Netscape, Internet Explorer and America Online
.gif	Web picture format for pictures with a limited number of colors and gradations	Some applications which will open these files are: Netscape, Internet Explorer and America Online
.pct	Macintosh picture file	Open these files on a Macintosh
.mov	QuickTime movie file extension	Windows Media Player (Windows)and QuickTime Player (Mac and Windows) will open most .mov files

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