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Yahoo! Mail was launched in October 1997, and for a long time, it was considered to be one of the earliest email services that was stable and popular. Due to its vast storage capacity, protection against virus risks, and decent calendar and notes features, Yahoo! became a market leader with over 225 million users. But with the technological advancement of other email services, it lost its charm. And hence, users are looking for options to configure it with other email clients. This article will help you to configure Yahoo Mail to Thunderbird.

Yahoo Mail and Thunderbird

There are many email clients available, out of which Mozilla Thunderbird is on top since it offers a wide variety of features. We will discuss how you can effortlessly configure Yahoo Mail to Thunderbird. It is a free and open-source email client which is designed for multiple platforms. It helps you manage emails offline.

Why configure Yahoo Mail to Thunderbird?

It is necessary to know all the possible reasons that lead the users to configure Yahoo Mail to Thunderbird, as it makes your decision simpler.

  • Thunderbird has many features to organize emails and other data, including notes, calendar, appointments, events, tasks, contacts, etc.
  • Yahoo! Mail needs internet connectivity all the time to access emails. But using Thunderbird, one can work in offline mode as well.
  • Thunderbird is better suited for professionals as they can easily add all email accounts at a single location.

How to configure Yahoo Mail to Thunderbird?

Thunderbird maintains its user’s information in an MBOX file. After you configure Yahoo Mail to Thunderbird, all the emails in Yahoo! will also be saved in MBOX file format.

To begin with, make sure Thunderbird is installed on your system, and the first step is to link the Yahoo! Mail with Mozilla Thunderbird manually.

Follow these steps carefully to set up Yahoo Mail to Thunderbird:

  1. Select Tools from the Menu bar and then click on Account Settings.
  2. A new window will appear. From the left panel, click on Account Actions and Add Mail Account.
  3. Enter the credentials- your name, Email address, and password. Click on Continue.
  4. Now, the email protocol must be set up. Choose IMAP and click on Manual config. To manually configure the server.
  5. Enter all the required details and set up the incoming and outgoing ports as 993 and 465, respectively. Click on Done.
  6. After the authentication, the Yahoo! email account will be added to Thunderbird.

How to save MBOX emails to Yahoo!?

It is necessary to maintain a backup of all the MBOX files containing all your important emails and other data and save it for any crisis. Since the files contain confidential user data, it becomes a responsibility to take backup with secure software. Although there are various free methods to convert MBOX to PST file. The highest level of security provided only by a professional tool like the Kernel for MBOX to PST. It can convert Thunderbird’s MBOX files and save them to any email client, including Yahoo! Mail. A comprehensive preview generated by the tool helps the users analyze the content of the file and save them according to their needs. You can also deal with oversized MBOX files issues with the help of the tool.

Follow These Steps to Save MBOX Files to Yahoo! Emails

  1. Open the converter software on the system. Click on Browse to add the MBOX file or folder to the tool.Click on Browse to add the MBOX file
  2. It will be added immediately, and now, select Finish.select Finish
  3. Select a mailbox item to generate a comprehensive preview of it. Click Save.Click Save
  4. Choose the output type as Yahoo from the list in order to save the data and click on Next.save the data and click on Next
  5. You can choose the filters to save data selectively. Again, click on Next to proceed.Click on Next
  6. Enter your Yahoo! login ID and password. Finally, select Finish to complete the process.Select Finish
  7. All the MBOX email data has been successfully sent to the Yahoo mailbox.


You can access Yahoo emails by adding your Yahoo Mail to Thunderbird account. It will make your work life much easier since you will be able to manage all emails from a single location. In addition, Thunderbird offers other features, including a calendar, notes, tasks, contacts, events, appointments, etc. Data of Thunderbird can be restored to Yahoo Mail using this MBOX to Outlook PST software. It can help you in exporting emails from Thunderbird to PST, in case you switch to a different email client, MS Outlook.

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