Storage media · exFAT MP4 recording card
Recover deleted MP4 files from camera media
How can I recover a deleted MP4 file?
Short answer
Usually yes, if the card has not recorded since: stop using it and scan it read-only for MP4. A usable clip needs its ftyp, moov and mdat boxes plus the media data in between, not just a matching header. Export to a different drive, then play each recovered clip through to its expected end.
The situation
An MP4 clip was deleted while the card still mounts normally.
One MP4 is missing from a card that otherwise behaves normally, which is the most straightforward version of this problem. The clip is a box structure: ftyp at the front, moov holding the index, mdat holding the frames, and all of that has to come back together.
01 / Diagnose
Work out what actually disappeared
Deleting an MP4 frees its clusters without altering a byte of picture data. A scan finds the start of the container by its ftyp signature, but a usable result needs more than a signature: the moov box has to describe frames that really sit in the mdat behind it, and the run must still be readable. A file recovered at the right size with an overwritten mdat opens and stalls.
A recoverable MP4 needs coherent ISO-BMFF boxes and reachable media data, not only an ftyp signature.
Check the last known path, trash and backups without writing to the original device.
02 / Protect the source
Preserve the best recovery chance
- 1
Unmount the volume before anything else, so background indexing or a sync client cannot write into the space the clip occupied.
- 2
Note the original file size if a log or an earlier copy still shows it, because that size is the strongest check afterwards.
- 3
Scan the source read-only for MP4 and let the scan read surviving extent information rather than carving blindly wherever that is possible.
- 4
Export to a different drive and inspect the result with a player that reports duration, streams, and resolution before you archive it.
Do not save anything else onto the source, including the recovery export itself, and do not defragment or optimise the volume. On an SSD, avoid waiting: TRIM can clear the freed blocks within minutes, and discarded blocks return nothing.
03 / Choose the method
Match the tool to the source
For stable, readable exFAT, NTFS and FAT16/FAT32 or uncompressed IMG, DD, RAW and BIN images.
Unconfirmed exports are marked .UNVERIFIED.
Only material still on the medium can be recovered. File Recovery Hero reads exFAT, NTFS, and FAT volumes read-only and exports to another drive; rebuilding a missing moov box or repairing a truncated clip is the job of a dedicated repair tool on a copy.
04 / Verify
Check the recovered content, not just its name
A recovered MP4 is complete when its size matches the original, the container parses without complaint, video and audio streams are both present, and playback runs from the first second to the last. Seek into the final quarter of the clip specifically, because damage surfaces there first.
Keep the source until two verified copies exist. One working preview is not enough.
Sources and technical references
FAQ
Questions about this recovery case
Can exFAT MP4 recording card be recovered in this situation?+
One MP4 is missing from a card that otherwise behaves normally, which is the most straightforward version of this problem. The clip is a box structure: ftyp at the front, moov holding the index, mdat holding the frames, and all of that has to come back together. The result still depends on what remains readable on the source.
What should I avoid before scanning?+
Do not save anything else onto the source, including the recovery export itself, and do not defragment or optimise the volume.
Does scanning write to my memory card?+
Your memory card is only read. Nothing is saved to it.
How do I know whether the result is complete?+
A recovered MP4 is complete when its size matches the original, the container parses without complaint, video and audio streams are both present, and playback runs from the first second to the last.