IONOS Address Book


Since the IONOS Address Book feature no longer meets our current technical requirements, we will be discontinuing the feature on 02/16/2021.

The ability to create new contacts or collect them through Website Builder contact forms will be deactivated as the first step on 12/15/2021.

Before this date, you will still be able to export your contacts as a vCard (.VCF file) (link to help article) for your own backup or to transfer them to another platform.


  1. Upload the 1&1 IONOS Address Book to the /wp-content/plugins/ directory.
  2. Activate the plugin through the ‘Plugins’ menu in WordPress.
  3. Activate connection to 1&1 IONOS Address Book API as described in plugin welcome page on admin dashboard
  4. Save your changes.


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सहायक &डेवलपर्स

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“IONOS Address Book” has been translated into 5 locales. Thank you to the translators for their contributions.

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Interested in development?

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बदलाव विवरण

Project and support maintained on github at 1and1/wp-cosy-address-book.


  • Deprecate plugin


  • Update version
  • Update author


  • Add license file