Top 2 Tricks to Import OST Files to Thunderbird - Newport Paper House


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Top 2 Tricks to Import OST Files to Thunderbird

Are you looking for effective and reliable methods to import OST files to Thunderbird? In this blog, we will discuss different solutions to import OST to Thunderbird in a secure way. So, stay on this blog till the end.

Microsoft Outlook is a popular email client among professionals and individuals because of its advanced features, better security, and confidentiality. It supports saving data in two file formats i.e., PST and OST.  The OST file stores the copy of Outlook data in offline mode and synchronizes the data once connected to the internet. Users want to migrate OST data files to Thunderbird because it is an open-source email client. Unlike Outlook, Thunderbird can be easily accessed on Windows, Mac, and Linux. Before, we move further and discuss the solution to perform the OST to Thunderbird migration., let’s look at a few of the other benefits of Mozilla Thunderbird.

Why Import OST Files to Thunderbird?

Many users want to import Outlook OST to Mozilla Thunderbird because it is cost-effective and helps manage the mailbox data easily. Some of the other factors why users want to transfer OST files to Thunderbird are shared below.

      Thunderbird provides an interactive interface that makes it easy to use.

      It provides multiple features to its users like chats, mail account setup, etc.

      This email client is platform-independent i.e., it runs smoothly on Windows, Mac, and Linux.

      It can easily store large amounts of data.

Here are some of the common reasons why users want to migrate OST data files to Thunderbird. Now, let’s move forward and look at the solutions to perform this migration process.

How to Import Emails from OST Files to Thunderbird?

There are two best approaches available to import Outlook OST to Mozilla Thunderbird. We will discuss both the manual as well as the professional approach in detail in the following section.

Native Method to Import OST File to Thunderbird

Users cannot directly import OST to Thunderbird. They need to convert OST to PST first, and then upload the PST files to Thunderbird account to migrate OST data files to Thunderbird. Follow the below procedure step-by-step

#Step 1: Steps to Convert OST to PST

      Launch Microsoft Outlook on your device.

      Navigate to the File menu and then go to Open&Export and click on Import/Export.

      Choose the Export a File option and then click Next.

      Select Outlook data file (.pst) and again tap Next.

      Now, tick the required mailbox items that you want to export.

      After that, click on the Browse button and choose the destination for the PST file. Hit Finish.

#Step 2: Upload Outlook PST File to Thunderbird

Before importing the PST file to your Thunderbird account, make sure to make Outlook as your default email client.

      Run Mozilla Thunderbird on your device and open the Thunderbird Menu.

      Now, navigate to the Tools menu and click on Import.

      After that, tap on the Mail option and hit Next.

      Select Outlook as the saving folder and then click Next.

      Finally, click the Finish button to begin importing the PST file into Thunderbird.

Using this method users can import Outlook OST to Mozilla Thunderbird.

Downsides of the Native Method

Here are the common downsides faced by users while performing OST to Thunderbird migration.

      To perform this manual approach, users need to have good technical knowledge.

      There is a high risk of data mismanagement using this method.

      Converting OST files to MBOX using the manual approach can be a tedious process.

      Repetition of similar data can take place.

Expert Solution to Import OST Files to Thunderbird

To quickly and securely import OST to Thunderbird, many experts prefer using the safe and reliable OST to PST Converter. This method allows performing bulk conversion of OST files in just a few steps. It is easy to use and helps to prevent data alteration during the migration process. This method provides 100% accurate results with high data accuracy.

Pros of Using the OST to PST Converter Tool

      This method migrates OST data files to Thunderbird, Gmail, AOL, and other email clients effectively.

      It enables migrating selective data of specific dates per user’s requirements.

      Helps in splitting the resultant PST files to prevent oversized PST file issues.

      It also skips any identical emails during the process and makes managing emails easy.


This article provides an effective solution to Import OST files to Thunderbird. We have also shared some common advantages of using Thunderbird. There is no direct approach available to perform the OST to Thunderbird migration. Users need to work around the process to achieve the desired results. Therefore, using a professional solution is the best choice for getting 100% accurate results. It is also the most recommended solution by many tech experts.

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