

This format is flexible that allows users to compress and edit files.

Basically, an AVI file contains data container comprising audio and video files that help to synchronize them during playback time. The only problem with VLC is that it only allows you to watch the movie in it’s own player, not in Keynote or other programs.AVI stands for Audio Video Interleave is the first media format that was used to store audio, video files launched by Microsoft. VLC is awesome and allows you to watch any movie. To play all files try out VLC for Mac OS X. Perian won’t play wmf files and some kinds of AVI movies. To watch movies in your screen in a player. You will need to quit and restart Quicktime or Keynote after you install Perian. Your normal programs such as Keynote and Quicktime will now be able to play any movie format. It sits in the background – you don’t need to do anything.

You can download it for free from . To install it simply click on the icon and it will install itself as a Preference Pane. It claims to play all the following movie formats: AVI, DIVX, FLV, MKV, GVI, VP6, and VFW, MS-MPEG4 v1 & v2, DivX, 3ivx, H.264, Sorenson H.263, FLV/Sorenson Spark, FSV1, VP6, H263i, VP3, HuffYUV, FFVHuff, MPEG1 & MPEG2 Video, Fraps, Snow, NuppelVideo, Techsmith Screen Capture and DosBox Capture. Perian just sits in the background and allows other programs (like Keynote) to play movies that they wouldn’t normally be able to play. Perian is a handy free program that allows your mac to play almost any movie format, including AVI files from a Windows computer. The movie is not in a format that QuickTime Player understands.You may need to install additional software to open this type of file.’ When I tried to play the movie in Quicktime I got an error saying ‘The document could not be opened. It turned out the movie was not in a format that Quicktime could play. When I played the presentation the sound worked but the movie was blank. I was recently given a keynote presentation which contained a movie.
