1 and 1 Support Center

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How to Change the Default Version of PHP in the 1&1 Control Panel?


Change the default version of PHP in the control panel is easily. There are 5 steps to change the default PHP version:

  1. Log in to your 1&1 Control Panel and select the relevant package.
  2. Click the PHP Settings link from the Hosting panel.
  3. An overview of all your domains and their PHP versions will display. Check the box next to the domain which needs its PHP settings updated and then click Change PHP version.
  4. Choose which version of PHP to use with the domain by clicking the Use PHP X.X button.
  5. The domain will begin using the selected version of PHP once you see the confirmation message.

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How to Migrate Contacts from 1&1 Webmail to Office 365?


The steps as follows will tell you how to migrate contacts from 1&1 webmail to Office 365.

  • Log in to the 1&1 WebMail interface

    If you have assigned your 1&1 Mail Basic or 1&1 Mail Business mailboxes to another domain or subdomain as described in the Migrating 1&1 Mail accounts to Office 365 article, you will have to use the correspondingly-modified e-mail address for logging into 1&1 Webmail.

  • Export your contacts from 1&1 Webmail in CSV format

    You need log in to your 1&1 WebMail account to export the contacts of yours.

  • Open the exported CSV file with Microsoft WordPad and save it again immediately

    This step is only necessary for importing the file in Outlook later.

  • Importing the CSV file in Outlook

    Please refer Microsoft Office Help: Importing Contacts into Outlook

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What is 1&1 WebMail?


1&1 WebMail provides the full functionality of an e-mail program and lets you access your e-mail where and when you choose using any Internet browser.

In addition to your local e-mail program, 1&1 lets you read and send e-mail using any web browser. You can access your e-mail account from any Internet-connected computer.

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Also, you can visit 1 and 1 Official Website to get more helps, faqs and knowledge base.

About 1 and 1

1&1 is one of the world's leading Web hosting providers. 1&1 currently offers a wide range of Web hosting products, including email solutions and high-end servers in 10 different countries including Germany, Spain, Great Britain and the United States.

1&1 introduced its distinctive approach to the US in September of 2003. Since the January 2004 launch of its complete product line in the US, 1&1 has become one of the country’s top five Web hosts. In September 2008, 1&1 opened a 55,000 square foot data center in Lenexa, Kansas.