- Extension
- .f4v
- .opml
- Format
- Binary
- Text
- Category
- Video
- Document
- Developer
- Adobe Systems
- Dave Winer
- Description
- Video container format used by Adobe Flash; based on the ISO MP4 format, which is based on the Apple QuickTime container format; specified by ISO/IEC 14496-12 as a base media file format; supported by Flash Player Update 3 (9,0,115,0) and higher.
- OPML (Outline Processor Markup Language) is an XML-based format used to exchange outline-structured information. It is most commonly used to share lists of web feed subscriptions (such as RSS or Atom feeds) between feed readers and aggregators.
- MIME Type
- video/x-f4v
- text/x-opml
