1. Login to your Webmail account.
2. Once you are logged in, look for the "Contacts" option in the left menu and click on it.
3. In the "Contacts" page, you should see an "Import" button on the top right corner. Click on it.
4. A new window will appear, asking you to choose the CSV file that contains your contacts. Click on the "Choose File" button and select the CSV file from your computer.
5. After selecting the file, click on the "Import" button.
6. Webmail will process your contacts and import them into your address book. Once the import is complete, you should see a message confirming the number of contacts imported.
7. To view your imported contacts, click on the "Contacts" option in the top menu and select the "Address Book" option.