What is a 3GP file?
Mobile video format optimized for MMS and cellular networks
The 3GP file was created by the 3rd Generation Partnership Project Group (3GPP). It is primarily designed for transmitting multimedia files taken by cell phone videos and sending them over the Internet.
3GP is the required, standard format for media files sent using Multimedia Messaging Service (MMS) and Multimedia Broadcast Multicast Services (MBMS). Thus, the 3GP video container format was developed with the intention to save on disk space, bandwidth, and data usage, which is why they're often seen created from, and transferred between, mobile devices.
Common uses for 3GP files
- Cell phone video recordings
- MMS multimedia messages
- Low-bandwidth video streaming
- Older smartphones
- Feature phones
- MMS applications
Who works with 3GP files?
Legal teams, investigators, and journalists regularly encounter 3GP files when reviewing video evidence or archival footage recorded on older mobile phones. Families and archivists also run into the format when recovering clips from retired handsets or old MMS message backups.
3GP vs MP4: which should you use?
3GP and MP4 are both containers derived from the ISO base media file format, but 3GP was designed for early mobile networks and commonly pairs H.263 or MPEG-4 Part 2 video with low-bitrate AMR audio, while MP4 typically carries H.264 video with AAC audio at higher quality. MP4 also has much broader playback support on modern devices, browsers, and editing software. In practice, MP4 is the better choice for new recordings and sharing, while 3GP mostly appears in files created on older phones.
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