Security and privacy

Find out how 1Password keeps your data safe and secure from prying eyes. Security so strong, even we can't see your secrets.

Introduction

Master Password and Secret Key

1Password data formats

  • About the OPVault format

    Learn how the OPVault format improves upon the design of the Agile Keychain format.

  • OPVault design

    Learn about the design of the OPVault format, used by default when syncing with iCloud or Dropbox.

1Password features

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