How to undo a bulk edit in Shopify
You ran the bulk editor, changed the wrong column, and saved across 4,000 products. Shopify has no undo button for that. What happens next depends entirely on whether you were backing up before you hit save.
Why there is no native undo
The Shopify admin applies bulk edits immediately and keeps no rollback of the previous values. The bulk editor is not version control; once you save, the old prices or titles are gone from the admin. This is the same gap behind deleted products and wiped collections.
If you have a backup
Restore the version from just before the edit. With point-in-time restore you pick that moment, dry-run it to confirm only the affected fields change, and roll those products back. If you took a checkpoint right before the edit, even better; you restore to the exact pre-edit state in one step. The mechanics are in how to restore a Shopify store.
If you do not have a backup
Options are thin. Check whether an export CSV from before the change exists anywhere, since re-importing it can overwrite the bad values, though it will not fix relationships it never held. Otherwise you are reconstructing by hand from memory and order history. It is slow, and it is the reason this guide exists.
Stop the next one from hurting
Make a habit: a manual checkpoint before any bulk job. Thirty seconds before the edit saves hours after a bad one. Pair that with a daily schedule so even the edits you forget to checkpoint are recoverable; see how often should you back up a Shopify store.
HappySnap takes checkpoints on demand and restores them point-in-time. See HappySnap or the Shopify backup pillar.