Video · exFAT production media
MXF OP-1a: find after an import failure
Where are professional MXF recordings after a failed import?
Short answer
First verify the offload: search the destination, trash and project media folders, and compare clip counts and sizes with the clips on the card. An MXF import that stops early can leave clips without their footer. If clips are missing on both sides, stop using the card and scan it read-only.
The situation
professional MXF recordings is incomplete at the destination and no longer appears reliably on the source.
The transfer is the suspect here, not the recording. An MXF offload that stopped partway can leave clips at the destination without their footer, while the card was cleared as if everything had arrived. Counting and measuring comes before any recovery attempt.
01 / Diagnose
Work out what actually disappeared
Professional offloads run in stages: copy, checksum, register in a catalogue, then optionally clear the card. Because MXF clips are large, a break usually happens during the copy, leaving a file that has a header and essence but no footer. The catalogue may still list the clip as present, which hides the problem.
Move, rename, catalog and delete-after-import steps can fail at different moments and leave source and destination in different states. For MXF OP-1a, this matters because header partitions, essence, indexes and footer can be separated across a large extent
Check the last known path, trash and backups without writing to the original device.
02 / Protect the source
Preserve the best recovery chance
- 1
Halt the offload software and mount the card read-only rather than repeating the transfer straight away.
- 2
Count clips and compare sizes between card and destination, and read the checksum report the copy tool left behind.
- 3
If takes are missing on both sides, scan the unused card read-only for MXF partitions, or search an image of it.
- 4
Place recovered clips on a third volume, then redo the offload with checksum verification and without clearing the card.
Do not clear the card because the catalogue looks complete, and do not overwrite the partial files at the destination with a second run before you have checked them. A catalogue entry proves that a copy started, not that it finished.
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.
File Recovery Hero handles the exFAT card and uncompressed IMG, DD, RAW or BIN images, not an APFS, HFS+ or ext4 destination, and it does not complete a half-copied clip. Restore the destination side from your backup or a snapshot of that volume.
04 / Verify
Check the recovered content, not just its name
The safest proof is a matching checksum for every clip. Failing that, compare byte sizes and conform each clip in your editing software: one that imports but reports a missing index or ends before the timecode you noted was copied incompletely.
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 production media be recovered in this situation?+
The transfer is the suspect here, not the recording. An MXF offload that stopped partway can leave clips at the destination without their footer, while the card was cleared as if everything had arrived. Counting and measuring comes before any recovery attempt. The result still depends on what remains readable on the source.
What should I avoid before scanning?+
Do not clear the card because the catalogue looks complete, and do not overwrite the partial files at the destination with a second run before you have checked them.
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?+
The safest proof is a matching checksum for every clip.