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Basic Shortcode – Place in square brackets

video mp4=”source.mp4″ wmv=”source.wmv” ogv=”source.ogv”

WP only supports .mp4, .m4v (MPEG-4) .mov (QuickTime) .wmv (Windows Media Video) .avi .mpg .ogv (Ogg) .3gp (3GPP) .3g2 (3GPP2)

All about WP Video Shortcodes