- Extension
- .asf
- .m4b
- Format
- Binary
- Binary
- Category
- Video
- Audio
- Developer
- Microsoft
- Apple
- Description
- An ASF file is a media file stored in the Advanced Systems Format (ASF), a proprietary video and audio container format. It contains audio and video data and optional metadata, such as title, author, and copyright bibliographic data. ASF files are developed by Microsoft primarily for streaming media.
- It is an audiobook file compressed using .AAC algorithm based on MPEG-4 container format. It is similar to .M4A file but its denoted as an audiobook and supporting audio players can bookmark it.
- MIME Type
- video/x-ms-asf
- audio/x-m4a
