1Password User Guide

  1. Requirements
  2. Installing 1Password
  3. Registering 1Password

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    Requirements

    1Password supports the following systems, web browsers, and applications.

    Operating Systems

    Supported Web Browsers and Applications

    These browsers and applications are fully supported and have 1Password’s functionality integrated directly into them via our plugins:

    The following browsers do not provide direct 1Password integration:

    1Password for iOS Requirements

    1Password for iPhone and 1Password Pro can be installed on any iPhone or iPod touch running iOS 3.1.3 or later. 1Password for iPad and 1Password Pro can be installed on any iPad running iOS 3.2 or later.

    1Password for Palm Requirements

    Palm handheld or Treo smartphone running Palm OS 4 or higher with 150KB of free space. Additional space is required for the 1Password data file, which depends on the number of items you have. Each 1Password item requires about 3KB, so 1,000 1Password items will require approximately 3MB of space.

    Next: Installation and Setup