Digital photos feel permanent and are not. A shoebox of prints survives neglect for fifty years; a folder of digital photos can vanish because a drive failed, a subscription lapsed, or a phone went into the sea. The technology is better in every way except the one that matters most for family pictures, which is surviving indifference.
Written September 2026. The principles below are format-agnostic and should outlast any particular service or device.
The rule that actually works
Archivists use a simple formula, usually written as 3-2-1, and it exists because every simpler approach fails predictably.
- Three copies of anything you would be upset to lose.
- On two different kinds of storage, so a single failure mode cannot take everything. Two external drives from the same batch is one kind of storage, not two.
- With one copy off-site, because fire, flood and theft do not respect the fact that both your drives were in the same drawer.
A practical version for an ordinary household: the photos on your computer or phone, a cloud service syncing them automatically, and an external drive updated a few times a year and kept somewhere else. That is three copies, two kinds, one off-site, and it requires almost no ongoing attention.
Why one cloud service is not a backup
Sync is not backup, and this is the single most common misunderstanding. If you delete a photo, or a corrupted file overwrites a good one, sync faithfully copies the damage everywhere. Account closure, billing failure and policy changes are also real risks that no amount of syncing protects against. A backup is a copy that does not change when the original does.
Formats that keep digital photos readable
Two decisions now save considerable pain later.
- Keep originals in a standard format. JPEG remains the safest long-term choice for ordinary digital photos because everything can open it. HEIC saves space and is less universally supported. If your phone shoots HEIC, consider exporting a JPEG copy of anything genuinely important.
- Do not rely on a proprietary library. A photo app’s internal database is fine for daily use and a poor archive. Make sure you can export a plain folder structure of files, because that is what a future person or program will be able to read.
- Use dated folders. Year and month folders sort correctly, survive every operating system, and need no software to understand.
- Keep the metadata. Date, location and captions live inside the file as EXIF data. Some editing and sharing workflows strip it, which silently destroys the context that makes an old photo meaningful.
The annual half hour
Archives fail slowly and quietly, which is why a scheduled check matters more than an elaborate setup. Once a year, do four things:
- Update the off-site drive and put it back somewhere else.
- Open a handful of old files at random. Bit rot is rare but real, and a corrupted file discovered this year can be replaced from another copy. Discovered in ten years, it cannot.
- Check the drive is still readable at all, and remember that drives left in a drawer for a decade often are not. Replace external drives every five years or so regardless of apparent health.
- Confirm your cloud account is still paid and still yours, particularly if it is attached to an old email address.
Print the ones that matter
This is the unfashionable advice and the most reliable. A good print, kept out of sunlight, needs no electricity, no account, no format support and no maintenance, and it survives being ignored for decades. Nobody needs to print ten thousand photographs. Printing the fifty that genuinely matter is an afternoon and it creates a copy that outlives every technology decision you are currently making.
If your storage is disorganised rather than at risk, the first step is reducing the pile: our guide to decluttering your digital life covers that, and it is far easier to protect an archive you have already trimmed. For getting better source material in the first place, our notes on editing iPhone photos cover the basics.
Choosing where the copies live
The specific services matter less than the shape of the arrangement, but a few practical points are worth knowing before you commit your digital photos to any of them.
- Check what happens if you stop paying. Some services keep your files read-only, some delete after a grace period. That is the single most important term and it is rarely prominent.
- Prefer services that let you export in bulk. If getting your photos out requires downloading them one at a time, you do not really control them.
- Do not let the archive depend on one email address. Accounts attached to an old work or university address are a common way families lose everything.
- Tell someone else it exists. An archive nobody else knows about is one bereavement away from being lost, which is worth thinking about for family photographs specifically.
Scanning older prints
If you also have boxes of prints, digitising them earns a place in the same archive. A flatbed scanner produces far better results than a phone photograph, and 600 dpi is enough for anything you are likely to reprint. Do it in batches by album rather than trying to finish in one sitting, and name the folders by rough date and event as you go, because nobody ever returns to label them later.
Culling is part of preservation
Twenty thousand undifferentiated files is not an archive, it is a hard drive. Nobody will ever look through it, which means the good photographs inside it are effectively lost even though nothing was deleted. Spending an hour a year marking the few dozen images that actually matter, in a favourites album or a separate folder, does more for preservation than any amount of storage. It also gives you an obvious shortlist for printing, and a manageable set to keep in the most durable places.
Common questions
Is cloud storage enough for digital photos? On its own, no. Sync copies deletions and corruption everywhere, and accounts can lapse or close. Cloud storage is an excellent second copy alongside a local one and an offline copy.
What format should I keep photos in? JPEG remains the safest for long-term storage because every device and program can open it. HEIC is more efficient but less universally supported, so export JPEG copies of anything irreplaceable.
How often should I replace backup drives? Roughly every five years, whether or not they show problems. Drives left unused for long periods frequently fail when finally needed.
Are prints really more durable than files? For surviving neglect, yes. A print kept away from direct sunlight needs no power, account or software support, and lasts decades without anyone maintaining it.
Sources and further reading
Where the figures and rules above come from, so you can check them:
- Personal digital archiving guidance: US Library of Congress
- Digital preservation practice and file format advice: Digital Preservation Coalition
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