

Enter your name, your Zoho email address, and your Zoho email address's password.At the bottom of the left pane, click Account Actions and select Add new account.In the menu bar, navigate to Tools and then select Account Settings.Launch the Thunderbird application in your system.

(Login to Zoho Mail > Settings > Mail Accounts > IMAP Access > Enable IMAP Access by cliking the checkbox) Enable IMAP Access on the Zoho Mail Settings page.Configure your Zoho Mail account as IMAP in Thunderbird
