Outer Worlds 2

All Advanced Decryption Key Locations

The Outer Worlds 2 Walkthrough Team

Last updated on: November 27, 2025 11:37 PM

Outer Worlds 2 Advanced Decryption Keys
Advanced Decryption Keys can be found as loot or purchased from vendors in The Outer Worlds 2. See a list of all Advanced Decryption Key locations and where to use Advanced Decryption Keys in this guide!

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All Advanced Decryption Key Locations

Advanced Decryption Key Interactive Map

Note: Use the map's dropdown menu to navigate between different areas.

Interactive Map

Where to Find Advanced Decryption Key

	Location	World View
Advanced Decryption Key	Area: Cloister How to Get: On the corpse of a Corporate Trooper exactly in between Auntie's Choice Forward Operating Base and Frozen Maw on Cloister.
Advanced Decryption Key	Area: Praetor How to Get: Found in a chest in the Lower Level of the Tomb of the Matriarch.
Advanced Decryption Key	Area: Paradise Island
Advanced Decryption Key	Area: Free Market Station How to Get: Found in the safe after solving Otto's switch puzzle on Free Market Station.
Advanced Decryption Key	Area: Praetor How to Get: In a small shack directly west of Automech Production on Praetor.
Advanced Decryption Key	Area: Praetor How to Get: On a table at the north part of the Glorious Dawn encampment, west of Central Control on Praetor.
Advanced Decryption Key	Area: Praetor How to Get: On a dead body just south of the Interstitial Reconfiguration Center on Praetor.
Advanced Decryption Key	Area: Praetor How to Get: Head down into the vent at this area in Cognitive Easement in Placid Water to find the Key behind a fan and electric trap.
Advanced Decryption Key	Area: Praetor How to Get: Can be looted from Vaillancourt's body after obtaining the Rift Modulator in Interstitial Reconfiguration.
Advanced Decryption Key	Area: Cloister How to Get: I a small supply shack southwest of Newton.
Advanced Decryption Key	Area: Cloister How to Get: On a table in the Excogitation Chapel west of the Auntie's Choice Forward Operating Base.
Advanced Decryption Key	Area: Cloister How to Get: In a chest at Back Deck Steerage. You can only access this place during Inez' companion quest.
Advanced Decryption Key	Area: Cloister How to Get: On a table inside the eastern Excogitation Chapel on Cloister.
Advanced Decryption Key	Area: Free Market Station How to Get: Given as a reward for saving Weylon after the quest Escape from Placid Waters!
Advanced Decryption Key	Area: Cloister How to Get: Found on a table inside the southeastern Excogitation Chapel on Cloister.
Advanced Decryption Key	Area: Cloister How to Get: In a chest in the sleeping quarters at Floor 2 of the Archive.
Advanced Decryption Key	Area: Cloister How to Get: Found on the corpse of an Order Disciple in the middle of the northern bridge in Cloister Underlands.
Advanced Decryption Key	Area: Cloister How to Get: On a crate in the building where you activate the lift to the surface in Cloister Underlands. This building is directly south of Cold Storage.
Advanced Decryption Key	Area: Cloister How to Get: On the body of a Dawn Maniac in the final Excogitation Chapel on Cloister, only accessible from within Cloister Underlands.
Advanced Decryption Key	Area: Cloister How to Get: Sold by Ashford's Subterranean Supplies in Cloister Underlands. This is the same area where you receive the quest Contraband Contrivance.
Advanced Decryption Key	Area: Cloister How to Get: On a shelf in the building at the center of Cloister Underlands. This is the same building where you obtain the package for the quest Contraband Contrivance.
Advanced Decryption Key	Area: Cloister How to Get: On the body of a Protectorate Trooper near the center of Thermal Transfer in the Cloister Underlands.
Advanced Decryption Key	Area: Cloister How to Get: In a chest on top of a ledge next to the entrance of Thermal Transfer in Cloister Underlands.
Advanced Decryption Key	Area: Cloister How to Get: Found in a container locker through a frozen hole to the right of the door that leads into the boss fight room. You can only access this hole if you restored Thermal Transfer.
Advanced Decryption Key	Area: Cloister How to Get: In a container locker behind a sealed door at the southwest part of Floor 4 of Punch Processing in the Archive. Can only be accessed by reactivating the Reactor.
Advanced Decryption Key	Area: The ACS Undisputed Claim How to Get: Purchased from the Unrelated Bric-a-Brac store on the ACS Undisputed Claim.	TBD
Advanced Decryption Key	Area: Paradise Island How to Get: In a chest inside a large container protected by electricity. Follow the wires to find the nearby switch to turn off the electricity.
Advanced Decryption Key	Area: Golden Ridge
Advanced Decryption Key	Area: Golden Ridge How to Get: Found on a table at the southeastern part of the Zyranium Manufactory, during the quest Beginning at the Endpoint.
Advanced Decryption Key	Area: Golden Ridge How to Get: On a table at the balcony of the Abbot's bedroom.
Advanced Decryption Key	Area: Golden Ridge How to Get: Inside a broken tram stranded on some rocks. southwest of Alexandra Station Entrance, Golden Ridge.
Advanced Decryption Key	Area: Golden Ridge
Advanced Decryption Key	Area: Golden Ridge
Advanced Decryption Key	Area: Greater Tranquility Station How to Get: Sold by the Lonely Automech Gift Shop
Advanced Decryption Key	Area: Paradise Island
Advanced Decryption Key	Area: Paradise Island How to Get: Sold by More Perfect Goods in Fairfield.
Advanced Decryption Key	Area: Paradise Island How to Get: Sold by the Requisitions Mech in Westport.
Advanced Decryption Key	Area: Paradise Island How to Get: Sold by the Human Repair Center at the Automech Repair Center.
Advanced Decryption Key	Area: Paradise Island How to Get: In the safe of the locked house at the southern end of Paradise Island. You need to power up generator at the nearby power station first.
Advanced Decryption Key	Area: Paradise Island How to Get: On a table in the locked house at the southern end of Paradise Island. You need to power up generator at the nearby power station first.
Advanced Decryption Key	Area: Paradise Island How to Get: In a camp unmarked on the map, west of Westport.
Advanced Decryption Key	Area: Praetor How to Get: Purchase from Grounding Station Surplus Store on Praetor
Advanced Decryption Key	Area: Paradise Island How to Get: To unlock the chest, you have to get 5 keycards from dead bodies scattered across all floors of Skycutter.
Advanced Decryption Key	Area: Golden Ridge How to Get: Can be pickpocketed from Proctor Svoboda.
Advanced Decryption Key	Area: Golden Ridge How to Get: One of the rewards for completing the optional quest Imprisoned by the Riddles of Reality.
Advanced Decryption Key	Area: Praetor How to Get: On a dead body leaning against a rock beside the road leading north to the Tomb of the Matriarch.
Advanced Decryption Key x2	Area: Paradise Island How to Get: Sold by Hazel's Automated Wares and Repairs at the Automech Repair Center.
Advanced Decryption Key x2	Area: Cloister How to Get: Two keys can be purchased from Perfectly Legitimate Goods.
Advanced Decryption Key x2	Area: Golden Ridge How to Get: Two Advanced Decryption Keys can be purchased from Back Alley Value at Matriarch's Mercy in Golden Ridge.
Advanced Decryption Key x2	Area: Paradise Island How to Get: Found inside de Vries' safe room, during the main quest inside the Vox Relay.
Advanced Decryption Key x3	Area: Cloister How to Get: One key can be looted from Persephone Doyle in Laplace's Garden. You can purchase two more keys from her shop.
Advanced Decryption Key x3	Area: Praetor How to Get: Can be stolen from Lead Researcher Hurley in Interstitial Reconfiguration. She also gives this as a reward for helping her deal with Vaillancourt.

Where to Use Advanced Decryption Keys

Opens High Security Lockboxes

Outer Worlds 2 High Security Lockboxes

Advanced Decryption Keys are used to open High Security Lockboxes, which are unique containers scattered throughout the world. These contain valuable loot, such as weapons and armor with rare mods and stat bonuses.

All High Security Lockbox Locations

Outer Worlds 2 Related Guides

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All Advanced Decryption Key Locations

All Advanced Decryption Key Locations

Advanced Decryption Key Interactive Map

Where to Find Advanced Decryption Key

Where to Use Advanced Decryption Keys

Opens High Security Lockboxes

Outer Worlds 2 Related Guides

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