How to Store and Care for Old Prints, Negatives and Slides

Store old photos somewhere cool, dry, dark and stable, inside the living space of your home rather than an attic, basement or garage. Put prints, negatives and slides in enclosures made of materials that pass the Photographic Activity Test, such as acid-free, lignin-free paper or uncoated polyester and polypropylene sleeves, inside sturdy archival boxes. Handle them by the edges with clean hands or nitrile gloves, display copies instead of originals, and keep digital copies somewhere else in case of fire or flood.

What actually damages photographs

A photograph is a thin image layer (silver particles or dyes held in gelatin, on paper or plastic) and each part of that sandwich reacts to its surroundings. Most damage is slow and chemical, which is why a print can look fine for twenty years and then visibly decline. Knowing the causes tells you what to change.

Where to keep photos in your home

The single best improvement most families can make costs nothing: move the boxes. Photos are happiest where people are comfortable, because heated and cooled living spaces have the most stable temperature and humidity in the house.

• Good: a shelf in an interior closet, or a cupboard in a bedroom or hallway, on an inside wall, off the floor.
• Avoid attics: they bake in summer and freeze in winter, the largest temperature swings in the house.
• Avoid basements: damp, prone to floods and sewer backups, and favoured by pests.
• Avoid garages and sheds: unconditioned, dusty and full of fumes.
• Avoid exterior walls: they are colder in winter, and condensation can form in cupboards against them.
• Avoid spots under or beside pipes, bathrooms, laundry rooms and kitchens, where leaks and steam happen.
• Keep boxes at least a few inches off the floor, so a minor leak does not reach them.

A cool room is better than a warm one, and a steady room is better than one that swings. If you want a target, relative humidity between about 30 and 50 percent and room temperature or cooler suits most prints. An inexpensive digital hygrometer on the shelf for a few weeks, across a change of season, tells you whether a spot is as stable as you think.

Archival enclosures and boxes

“Archival” and “acid-free” are loosely used marketing terms. The more meaningful standard for photographs is the Photographic Activity Test (PAT), an international test in which a material is kept in contact with sensitive image layers under accelerated ageing conditions and checked for fading or staining. Enclosures and boxes that say they pass the PAT have been shown not to harm photographs. Look for that phrase first, then these properties:

• Paper enclosures (envelopes, folders, interleaving tissue): acid-free and lignin-free, PAT-passing. Paper is opaque, breathable in damp conditions and easy to label in pencil. The trade-off is that you have to take the photo out to see it, which means more handling.
• Plastic enclosures (sleeves and pages): uncoated polyester, polypropylene or polyethylene. They let you see the image without touching it, which reduces handling. Avoid PVC entirely. In a damp environment plastic can trap moisture, so it relies on a dry storage spot.
• Boxes: rigid, acid-free, lignin-free board, sized to the contents. A box that is too big lets prints slide and bend; one that is too full crushes them.

Store prints of similar size together so large ones do not press on the edges of small ones. Small prints can stand upright in a box if they are fully supported and the box is snugly filled, with a stiff card as a divider. Large or fragile prints should lie flat. Put one print per sleeve or envelope where you can, or interleave with PAT-passing tissue, so image surfaces do not rub against each other.

Label enclosures before the photo goes in, never afterwards. If you must write on the back of a print, use a soft graphite pencil, lightly, near an edge. Ballpoint ink can dent and show through; felt-tip and gel inks can bleed and transfer to the next print in the stack.

Getting photos out of magnetic albums

Self-adhesive albums were hugely popular, and many families have shelves of them. They are one of the most harmful places a print can live, but removing prints is also where the most damage gets done. Weigh the risk print by print.

1. Digitize the pages first. Photograph or scan every page as it is, so the arrangement and captions are saved even if something goes wrong. How to digitize old photos explains how to copy albums without pressure.
2. Test one corner. Peel the overlay back gently and try to lift the corner of a print with a fingertip or a thin, blunt tool such as a plastic spatula. If the print releases easily, lift it slowly and evenly.
3. Stop at any resistance. If the print bends, curls, or the image layer starts to crack, stop. Prints stuck firmly for decades can tear, split or lose their image layer. Do not use heat, solvents, knives or force.
4. Leave stubborn prints in place. Having a good digital copy is what matters most. Store the album in a box in a stable spot, with sheets of PAT-passing paper between the pages if they are loose.
5. Ask a conservator about the precious ones. A photograph conservator has tools and techniques for releasing adhered prints safely. For irreplaceable or valuable pictures, that is money well spent.

Freed prints often carry adhesive residue on the back. Leave it alone rather than scraping, and store the print in its own enclosure so the residue cannot stick to its neighbours.

Negatives, slides and older film

Negatives and slides are the originals from which prints were made, and they deserve at least the same care. Keep negatives in the strips they came in, one strip per pocket, in polyester or polypropylene sleeves or PAT-passing paper sleeves, filed flat in a binder or box. Slides can stay in their original boxes if those are in good condition, or go into polypropylene slide pages. Label with the date and subject, since negatives are hard to identify by eye.

Colour film fades in the dark over time, even when stored well, and heat speeds that up. That is a strong reason to scan colour negatives and slides sooner rather than later; scanning film negatives covers how. Institutions sometimes store colour film in cold or frozen conditions with careful moisture control, but that requires proper packaging and is best done on a conservator’s advice.

Two older film types need special attention:

• Acetate film (common for decades of the last century) can develop “vinegar syndrome”: it smells of vinegar, curls, shrinks and eventually the image layer ripples. The decay speeds up in warmth and humidity and spreads its fumes to nearby film. Separate affected film, keep it cool and ventilated, and digitize it soon.
• Nitrate film, used for many older negatives and motion picture film, is flammable and becomes more dangerous as it decomposes (turning brown, sticky or powdery). If you suspect you have nitrate negatives, especially large ones in older family collections, keep them away from heat and other film and ask a conservator or archive for advice before doing anything else.

Instant prints, from peel-apart and integral films alike, are complex chemical packages with image layers that can crack if flexed. Keep them flat, never cut them, and store them cool. Instant film photography explains how those prints are built.

Handling photos without harming them

Fingerprints are one of the most common forms of damage to old photographs, because skin oils and salts etch into the image layer over time. Most of the rules are simple habits.

• Clean, dry hands, or nitrile gloves. Nitrile gloves protect the photo from skin oils while keeping your grip and feel. Cotton gloves are often suggested, but they reduce dexterity and can snag on flaking edges, which makes dropping or tearing more likely.
• Hold by the edges. Never touch the image surface. For negatives and slides, touch only the rims or the mounts.
• Support large or fragile prints on a stiff card or folder when moving them, so they do not flex.
• Work on a clean, clear table with no food or drink nearby.
• Never try to flatten a tightly curled print by force. Humidifying and flattening is conservation work.
• Do not try to clean prints with water, cleaners or erasers. A soft, clean brush to remove loose dust is the limit of safe home cleaning.

Display copies versus originals

Light damage is cumulative. A colour print displayed on a sunny wall for a decade can lose most of its colour, and the fading is permanent. The best way to enjoy a treasured old photograph every day is to display a copy and keep the original in dark storage.

Scan or copy the original at a good resolution, then have a new print made (or print it at home). A new print can even be colour-corrected to look better than the faded original, and if it fades in turn, you print another. The original stays safe in its box.

If you do display an original, frame it with UV-filtering glazing, a mat that holds it away from the glass, and acid-free materials throughout, and hang it on a wall that never gets direct sun. Matting and framing photos covers the materials. Rotating originals every few months, instead of leaving one on show for years, spreads the light exposure out.

Disaster planning and first steps after water damage

Fire and flood destroy more family photographs in a single day than decades of slow decay. A little planning dramatically improves the odds.

Before anything happens

• Digitize and store copies elsewhere. Digital copies kept off-site, in the cloud or with relatives, are the only complete protection against fire. How to organize and preserve a family photo archive explains how to spread copies around.
• Keep boxes off the floor and away from pipes, water heaters and windows.
• Know which boxes matter most, so that in an emergency, the one box that holds the irreplaceable pictures can be grabbed first.

If photos get wet

These are general, conservative steps. For valuable, historic or irreplaceable items, contact a photograph conservator as early as possible; many conservation organizations offer emergency advice.

1. Safety first. Do not enter flooded or fire-damaged areas until they are safe. Floodwater can be contaminated, so wear gloves.
2. Act within about two days. Mould can start growing on wet photographs quickly, and prints stuck together become harder to separate as they dry.
3. Keep wet photos wet until you can deal with them, rather than letting a stack half-dry into a solid block. If you cannot dry everything within a day or two, sealing wet items in plastic bags and freezing them buys time for many photographs. Some older and more unusual photographic processes can be harmed by freezing or water, so get advice for those.
4. Rinse off mud gently in clean, cold water. Do not rub or blot the image surface.
5. Air-dry face up on clean, absorbent paper or towels, in a room with good air circulation, without direct sun or heat. Hang negatives by their edges to dry.
6. Do not pull apart prints that have dried stuck together, and do not try to remove prints stuck to the glass of a frame. Both can often be released by a conservator; forcing them tears the image.

After a fire, do not wipe soot or smoke residue from prints, which grinds it into the surface. Leave cleaning to a conservator. Photographs with visible mould should be isolated, dried and handled with gloves and good ventilation, since mould can be a health hazard as well as a threat to other photos.

Common mistakes

• Boxes in the attic or basement. Heat swings and damp do more harm than anything else. Fix: move them to an interior closet in the living space, off the floor.
• Shoeboxes, rubber bands and envelopes. Acids and sulfur compounds attack prints. Fix: PAT-passing enclosures inside archival boxes.
• Soft vinyl sleeves. Fix: switch to polyester, polypropylene or polyethylene, and remove anything that smells strongly of plastic.
• Forcing prints out of sticky albums. Fix: digitize in place and remove only prints that release easily.
• Displaying the only original in the sun. Fix: display a new print and store the original in the dark.
• Writing on backs with ballpoint or marker. Fix: a soft pencil, lightly, near the edge.
• Attempting home repair of damaged originals. Tape, glue and cleaning products cause lasting harm. Fix: restore a digital copy and consult a conservator about the original.

Try this

Spend 20 minutes on a storage audit. Find every place in your home where photographs are kept and write down, for each one: the room, whether it is on an exterior wall or near water, what the photos are stored in (shoebox, sticky album, vinyl sleeves, archival box), and what binds them (rubber bands, clips, tape). Then pick the single most at-risk group, usually a box in the basement or attic, and move it today to an interior closet shelf, removing any rubber bands and clips as you go. That one move is the biggest improvement most collections can get.

Frequently asked questions

What is the best way to store old photographs?

In PAT-passing paper or polyester and polypropylene enclosures, inside acid-free, lignin-free boxes, on a shelf in an interior closet of your living space: cool, dry, dark and stable.

Are plastic storage bins safe for photos?

A rigid bin can protect archival boxes from dust, pests and minor leaks, but photos should still be in proper enclosures inside it, and the bin should be kept in a dry, stable room so moisture does not get trapped. Avoid putting loose prints directly into bins made of unknown plastics.

Should I wear cotton gloves to handle old photos?

Nitrile gloves or clean, dry hands are usually better. Cotton gloves protect against skin oils but reduce your grip and can catch on fragile edges.

Is it safe to keep photos in magnetic albums?

It is not ideal, because the adhesive and some plastics damage prints over time. Digitize the pages, remove prints only if they lift easily, and store the album in a box in a stable place if the prints are firmly stuck.

What should I do if old photos get wet?

Act within about two days. Keep them wet until you can dry them, rinse off mud gently, and air-dry face up on clean absorbent paper. Freeze what you cannot dry in time, do not pull stuck prints apart, and contact a conservator for anything valuable.

Related guides

• How to digitize old photos, prints and albums: make copies before anything else happens to the originals.
• How to organize and preserve a family photo archive: organizing, naming and backing up the digital side.
• Scanning film negatives: digitizing negatives and slides.
• Matting and framing photos: materials that protect prints on display.
• How to fix colors in old photographs: restoring faded colour on a digital copy.
• The history of photography: the processes behind the prints in your family boxes.
• How to back up your photos: protecting the digital copies from loss.