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AVI stands for Audio Video Interleave. AVI is a file container format. DivX and XviD are two video codecs that are commongly used in AVI containers.

File Size Limitations

There are several AVI formats in use with different file size limitations:

  • VFW AVI: The Video For Windows architecture limits the AVI file size to 2 GB
  • OpenDML AVI: An extension of the AVI format that allows AVI of any size
  • Segmented AVI: Breaks AVI file into 2 GB or 4 GB chunks, and allows AVI of any size

In addition to the AVI file limitations, the file system used by Windows will also put a limit on maximum file sizes. FAT16 limits file sizes to 2 GB on Windows 95/98/ME, and 4 GB on Windows NT/2000/XP. FAT32 limits the file sizes to 4 GB. NTFS allows practically unlimited file sizes.