For Web Hosting customers with a 1&1 IONOS email address
With the import function, you can easily transfer your data from other applications to the 1&1 IONOS WebMail.
Log in to 1&1 IONOS WebMail.
Under Address Book, click the Options icon, and then click Import.
Select the CSV or vCard format, upload the file and click Import.
Your data will now be uploaded and can be displayed immediately.
If you require further information on the general structure of the import file, we recommend the following procedure: Create an address in WebMail and export it. You can then view the structure of the file.