If your cameras are from major brands like Dahua or Amcrest, the safest bet is to use their official software. How To Convert .DAV to .AVI Files - Amcrest

: You can easily crop, zoom, or brighten AVI files in standard video editing software, which is nearly impossible with raw DAV files. Top DAV to AVI Converters for Download

Because standard players like Windows Media Player or VLC often struggle with these files, a is an essential tool for viewing and sharing evidence. Why Convert DAV to AVI?

DAV files are designed for security, not compatibility. Converting them to a more universal format like AVI offers several benefits: