What Paper Still Does Best
The paper vaccination card stamped by your clinic, a signed certificate, or a printed discharge note carries a kind of instant credibility that a screenshot sometimes does not. Catteries checking a cat in, a groomer taking a first booking, or a new vet seeing your cat for the first time will often happily accept the physical card handed across the desk, and paper never runs out of battery, signal, or password attempts at the moment you need it. Some documents also exist as originals worth keeping in themselves, such as registration papers or a signed transfer form.
Paper's weakness is that it exists in exactly one place. A folder left behind in a move, damaged by a spill, or simply filed somewhere so safe you cannot find it leaves you with nothing to show, and paper cannot be sent ahead to a clinic or sitter while you are travelling.
What Digital Copies Do Better
A digital set, scanned or photographed clearly, can be searched in seconds, attached to a message to a new vet before you arrive, shared with a sitter, and backed up in more than one place at once. It also lets you spot gaps calmly at home: scroll through and you can see whether last year's booster card is there, whether the weight notes are complete, and whether the microchip paperwork matches the number you think it does. That kind of quiet audit is almost impossible with a shoebox of mixed papers.
Digital's weaknesses are real but manageable. Files named with strings of numbers get lost in camera rolls, accounts get locked, and a photo taken in poor light may be unreadable when enlarged. Clear naming, one dedicated folder, and a second backup copy answer most of those problems without any special software.
A Simple System That Runs Itself
Keep one labeled folder or envelope at home as the paper home for everything: vaccination cards, lab summaries, insurance documents, and chip paperwork go straight into it when they arrive, before they can migrate to a kitchen surface. Each time something new goes in, scan or photograph it the same day and save it to her digital folder with a plain name stating what it is and which visit it came from.
Once or twice a year, or whenever you change vets, put the two sets side by side for five minutes and reconcile them. Anything on paper that is missing digitally gets scanned; anything digital with no paper original gets noted as digital-only, which is fine for items like emailed lab results that never had a paper form. That short habit keeps both sets trustworthy instead of slowly drifting apart.
Which Set Travels With the Cat
When your cat goes somewhere, to boarding, to a sitter's home, or to a new clinic, send the digital copies ahead and hand over paper only when an original is genuinely required, keeping your folder intact at home. If a document must travel, photograph it before it leaves and note who has it, so a card retained by a cattery by mistake is an inconvenience rather than a loss.
Gathering the digital set inside her KinsLe Pet Passport keeps the whole collection in one portable records packet, ready to open at a vet visit, send before a boarding stay, or hand across during a rehoming, while the paper originals stay safely filed at home.