Data Recovery Case File · Cameras, Drones & Cards · The Card Came Out in Time

Recover Deleted Photos After Pressing Delete All

Her enquiry contained an apology and, immediately afterwards, the single action that makes this case straightforward. "I stupidly pressed delete all on my camera. I did take out the SD card fairly quickly, but I can't see any of the photos on the card. It's a 64GB Lexar SD card. Is there any chance these can be recovered?" The word stupidly can go: pressing the wrong menu item is not a character flaw, and what she did next was exactly what a data recovery engineer would have done. Because the honest answer to her question is yes, very probably all of them — and the reason is that a camera's delete-all does far less than its name suggests, while taking the card out immediately preserves everything that matters. This page explains the difference between deleting and erasing, and why her instinct was worth more than any software.

The decode: delete versus erase, and why her timing mattered

What delete-all actually does: a camera offering to delete all photographs is not offering to wipe the card. It removes the directory entries — the list that names each image and records where it begins — and marks the space they occupied as available for future use. The photographs themselves stay exactly where they were written, byte for byte, unnamed and unlisted. Nothing is scrubbed, overwritten or destroyed at the moment the button is pressed. That is why the card now shows nothing while remaining physically full of her pictures, and it is why this is one of the most recoverable situations there is.

Why that differs from formatting: worth knowing for next time, because the two are often confused and the difference in outcome is real. Most camera formats are also relatively shallow, writing fresh empty structures rather than erasing content — which is why formatted cards are frequently recoverable too. But some cameras offer a low-level or full format that genuinely writes across the whole card, and that is a different and far worse event. Delete-all is the gentlest of the three, and it is what she pressed.

Why taking the card out was the whole ballgame: the space her photographs occupy is now marked free, which means the next thing written to the card may land on top of them. On a camera card that means new photographs — and image files are large enough that a single new frame can obliterate several deleted ones. It also means anything else the camera writes: a rebuilt index, a folder structure, a settings file. By removing the card within moments and not putting it back, she stopped the clock at the best possible instant. Everything is still where it was. Had she carried on shooting for an afternoon, this page would be describing partial recovery and difficult arithmetic instead.

One extra piece of luck: the card's capacity helps her too. On a large card, freshly deleted images sit in a region the camera will not necessarily return to immediately, since many cameras continue writing forward into unused space rather than filling gaps. It is not a guarantee and it is no substitute for removing the card — but combined with her prompt action, it means the odds here are about as good as this trade ever offers.

On the bench

The card was imaged write-blocked behind the DeepSpar USB Stabilizer 10Gb before anything was attempted, so the original could not be altered by any subsequent step. On the image, the deleted directory entries were recovered first — which returns photographs with their original filenames and shooting order intact wherever the entries survive — and signature carving swept the freed space alongside to catch anything the entries no longer described. Full-resolution originals were deliberately distinguished from the small preview images embedded inside each file, so nothing came back as a thumbnail in disguise. Every image was validated by rendering at full size, the set ordered by capture time, and delivered on fresh media with the card returned untouched.

The outcome

The deleted photographs recovered in full, validated individually and delivered. Free assessment, one fixed written figure including VAT; on cards and sticks where content has been deleted or overwritten, the figure is payable upfront. The decode, for anyone who has just pressed the wrong button: delete-all removes the listing, not the pictures — the image data stays written on the card until something else takes the space, so a deleted card is physically still a full one; formatting is a different and usually worse event, and a full or low-level format is worse again; and the single thing that decides the outcome is what happens next. Taking the card out immediately, exactly as this owner did by instinct, is worth more than any recovery software on the market.

Our case files are drawn from genuine enquiries received by our laboratory over the past ten years, anonymised to protect client confidentiality. Each one describes the diagnostic and recovery procedure our engineers apply to that fault, using the equipment listed.