AVB can represent different things based on the context, and for the .AVB extension the usual meaning is an Avid Bin used by Avid Media Composer to hold metadata about clips, subclips, sequences, and markers while the actual media sits elsewhere like in `Avid MediaFiles\MXF`; this bin isn’t meant to be opened with normal tools and must be loaded inside Avid, where offline items usually signal missing media rather than a broken bin, while other uses of "AVB" in networking or Android security don’t refer to
openable files at all.

In pro A/V and some automotive Ethernet setups, AVB refers to Audio Video Bridging, a group of IEEE standards that provide time sync and reserved bandwidth for real-time media over Ethernet—something tied to network configuration, not file formats; in Android firmware and modding, AVB usually means Android Verified Boot, a security system that checks partitions during startup using things like `vbmeta`, again not a typical double-click file, and in rare legacy cases `.avb` might even be a Microsoft Comic Chat Character file if it didn’t originate from an Avid project.
How an AVB file is opened depends on the AVB definition relevant to you, but for Avid Bin files (.avb), the correct method is to launch Avid Media Composer, load the right project, and open the bin inside Avid, where its items display as part of the project; Media Offline almost always means missing or unlinked `Avid MediaFiles\MXF` rather than a damaged bin, so reconnection or relinking is the fix, and bin corruption is often resolved by restoring a recent backup from Avid Attic.
If your "AVB" is Audio Video Bridging from the networking world, you won’t use a file viewer, because AVB concerns timing/bandwidth on Ethernet rather than documents; if it’s Android Verified Boot, you interact with firmware and verification metadata (e.g., `vbmeta`) via Android platform tools, and if your `.avb` is the outdated Microsoft Comic Chat Character type, you’ll need the original software or an emulator since modern systems lack support.
An Avid Bin (`.avb`) stores only editorial metadata, holding information about clips, sequences, timecode usage, and markers, while your actual audio/video files live elsewhere under directories such as `Avid MediaFiles\MXF\... If you have any issues about where by and how to use
AVB file information, you can get hold of us at the web site. `; copying just the `.avb` moves the edit instructions but not the footage, so Avid will load the bin but show Media Offline until the media is accessible or relinked, and this design keeps bins compact for sharing and backup—so an `.avb` cannot function as a playable file on its own.