HT201581: Find your Mac's serial number in About This Mac or System Information

Learn about Find your Mac's serial number in About This Mac or System Information

BON08

Level 1 (0 points)

Q: The document “sample.avi” could not be opened. The movie is not in a format that QuickTime Player understands. This prompt comes out when playing a movie. What do I have to do?

The document “sample.avi” could not be opened. The movie is not in a format that QuickTime Player understands. This prompt comes out when playing a movie. What do I have to do? What do I need to install to be able to play movies in my macbook?

MacBook Pro (13-inch Mid 2009), Mac OS X (10.6.8)

Posted on Jul 1, 2012 8:54 PM

I have this question too

Q: The document “sample.avi” could not be opened. The movie is not in a format that QuickTime Player understands. This pr ... more

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by X423424X,

X423424X Jul 1, 2012 9:50 PM in response to BON08
Level 6 (14,237 points)

Jul 1, 2012 9:50 PM in response to BON08

Try installing Perian.

If the file happens to be a windows media player video install Flip4Mac.

Or use a much better, more general, and more powerful video player, i.e., vlc.
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HT201581: Find your Mac's serial number in About This Mac or System Information

Q: The document “sample.avi” could not be opened. The movie is not in a format that QuickTime Player understands. This prompt comes out when playing a movie. What do I have to do?

All replies Helpful answers

by X423424X,

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Helpful answers