Requirements

1Password 3 for Mac supports the following systems, web browsers, and applications.

Operating Systems

For Windows requirements, please see our 1Password for Windows guide.

Supported Web Browsers and Applications

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

Effective with 1Password for Mac version 3.6.0, some browsers will no longer be supported. You will need to download 1Password 3.5.9 for 1Password to work in the following browsers:

The following browsers do not provide direct 1Password integration:

1Password for iOS Requirements

iPhone & iPod Touch

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

iPad

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