Windows website states that  Windows Movie Maker supports file types including .mov


What kind of files can I use in Movie Maker?

You can add the following types of video, photo, and audio files to Movie Maker.

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Project files

Windows Movie Maker project files

.mswmm

Movie Maker project files

.wlmp

Video files

Windows Media Video (WMV) files

.wmv

Windows Media files

.asf and .wm

AVCHD files

.m2ts, .mts, and .m2t

Apple QuickTime files

.mov and .qt

DV‑AVI files

.avi

Microsoft Recorded TV Show files

.dvr-ms and .wtv

MPEG‑4 movie files

.mp4, .mov,.m4v, .3gp, .3g2, and .k3g

MPEG‑2 movie files

.mpeg, .mpg, .mpe, .m1v, .mp2, .mpv2, .mod, .vob, and .m2t

MPEG‑1 movie files

.m1v

Motion JPEG files

.avi and .mov

However when trying to find files, it does not recognize them. Why?   And what do i do to overcome this weakness?