Shopify CSV export against a real backup
What a CSV export is good at
It is free, it is built in, and for bulk editing it is the right tool. Export products, fix a column in a spreadsheet, import back. Nobody should stop doing that.
As a safety net it also has one real virtue: a file on your own disk that nobody else controls.
Where it stops being a backup
It is a snapshot you have to remember to take. The backup you needed is the one from the morning of the accident, and it exists only if someone exported that morning.
It covers part of the store. Products, customers and orders as flat tables. Not themes, not the structure of collections, not pages, blog articles, menus or URL redirects.
It has no time in it. A CSV says what the store looks like now. It cannot tell you which 40 products an app changed last night, or show one product's history so you can pick the version from before the change.
Re-importing is not restoring. An import creates and updates records; it does not return a store to a moment. Deleted products come back with new ids, and rows you did not intend to touch get rewritten if they are in the file.
Nobody checks it. A CSV in a folder that was truncated on export, or saved with the wrong encoding, looks exactly like a good one until the day you need it.
What a versioned backup adds
A version per record with time attached, so you can restore one product to how it was on Tuesday without touching anything else. A plan before any write, showing what will change and what will be left alone. An undo after the fact. And evidence: StoreVault re-reads its own stored copies on a schedule and emails you the verdict, which is the one thing a folder of CSVs can never do.
Use both
Export before every bulk edit - it costs a minute and it is yours. Keep a versioned backup running underneath for the accidents nobody schedules. They are not competitors; one is a seatbelt you fasten on purpose, the other is the airbag.