You can open a Lock with a Key in Fortnite at Vaults and Holo-Chests, and we've got all of their locations plus how to get a Key in the first place.

In the last Fortnite update v22.10, Holo Chests were added to the map. Much like the game's Vaults, they require keys to open and contain loot of varying rarity.

A Fortnite challenge asks you to open a lock with a key and a safe in a single match and this guide will show you how to complete it.

Lock and Key is a short Palia quest that allows players to open several chests around the Elderwood's Hidden Cave; here's how to complete it.