AVI is the abbreviation of Audio Video Interleaved, which means the internal combination of the audio and video streams are broken down into 'chunks' of data and each chunk has different roles including file header, metadata, the actual audio/visual data, etc. And an AVI file may carry audio/visual data inside the chunks in virtually any AVI codec, including Cinepak, Motion JPEG, Editable MPEG, VDOWave, ClearVideo / RealVideo, QPEG, MPEG-4, DivX, XviD, etc. So if your video player doesn't cover all these AVI codecs, it's highly likely that your video player fails to play AVI files on macOS or Windows PC.

Home> Windows Windows Mobile Mac Top Windows > Video & Audio Codecs Video Tools Audio Tools Video & Audio Codecs DVD & CD Tools Other Tools > Video Codecs Codec Packs Encoders Audio Codecs Video Codecs >LEAD MPEG-4 Video Codec>download LEAD MPEG-4 Video Codec 2.0. Sponsored ads. DV, JPEG, MPEG4 Video. But most professional and domain-specific codecs must be installed separately. How to install QuickTime codecs in Mac OS X.

Of course, to improve the situation, the most straightforward way is to free download AVI codec pack. Where and how? Download AVI Video Codec Pack for Windows 1. You can go to the sites of windows7codecs, windows8codecs or windowscodecpack to free download AVI codec pack for your Windows. Go to download Rex's AVI Codec Pack, which covers common AVI codecs like XviD, DivX, ac3, mp4, 3gp, wmv, and mpeg4. You can freely choose what codecs to insall or just stay with the recommended option. BTW: the current version is compatible with Windows 7 or earlier OS, Windows 8/10 not supported yet.

Download AVI Video Codec Pack for macOS 1. It's known to all that Mac default video player QuickTime doesn't support AVI files, let alone AVI codec. To, you can download and install Perian codec pack for Mac, which is aimed to help you successfully play AVI files with the most common DivX and XviD codecs supported. If you still received an error 'A Required Codec is not Available' on your QuickTime after installing Perian codec pack, the potential reason might be the AVI files with complex AVI codecs not only the common DivX, XviD but also MPEG, QPEG, etc.

QT unsupported codecs. In such case, the better solution is to convert AVI to QuickTime MOV format. Might be the one you can count on. It gives you power to losslessly convert AVI to MOV, MP4, M4V, etc. With QT supported H264, MPEG-4 codecs, as well as MKV, AVCHD, FLV, WMV, M2TS, 3GP and more with H265, H263, DivX, XviD, etc. 320+ video and 50+ audio codecs supported. Thus, you can play any AVI file on macOS (or Windows) with nary a codec issue.

AVI Codec Pack Alternative: Download AVI Player for Video Playback AVI codec pack downloading and installation is quite easy and fast. Yet, still many users say No to AVI codec pack. Reason 1: there are numerous sites that claim to provide you clean yet safe AVI codec pack. However, the truth is not always the one they try to make you believe.

You might be directed to numbers of commercial ads sites or worse to visit the site with a trojan spyware. Reason 2: AVI, as the all-inclusive container format, can suck different varieties of AVi codecs, not only the common DivX or XviD, but also Cinepak, Motion JPEG, Editable MPEG and more. Yet, what AVI codec pack you download might not cover them all. So happens a lot. That being the case, no wonder you guys spend much time and energy for googling 'AVI player' with 40K searches each month. Providing you don't find the ideal AVI player for Mac and Windows, you can read and use the below part for reference. We'll feel very glad if this is helpful to you.

VLC - how would we miss VLC video player when it comes to the for Windows and macOS? This free video player can not only play MP4 video, MKV, MOV, FLV, WMV, but also play AVI video with dozens of codecs supported (DivX 1, DivX 2, DivX 3, H263, H264, H265, etc.). On top of the video playback, another attracting strong point of VLC is that it can also be used to free convert video and record on-screen video. Most importantly, it's free of charge. There is seemingly no reason to refuse such a wonderful freeware.

5KPlayer - If we rank VLC at the No.1 place of the best video player list, then the silver medal winner must be. Similarly, its primary feature is also to free play AVI, MP4, MOV, AVCHD, 4K, HEVC, MKV, WMV, etc. Almost any video in any resolution on Windows and macOS. Poster design software for mac. And that's not the whole story. It also helps you free download AVI, MP4, MKV, etc. Video movies and music from YouTube, Facebook, Vimeo, etc.