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How to Migrate OLM to Mozilla Thunderbird [Solved]

Mark Wills ~ Modified: 16-03-2022 ~ Migrate ~ 5 Minutes Reading

Do you need to migrate OLM to Thunderbird and aren’t sure where to start? If you answered yes, this article will solve your concern and show you how to do this activity without difficulty.

Many email applications now include more advanced features. Customers are progressively migrating from one email client to another based on their own requirements to increase workflow efficiency.

Outlook for Mac uses OLM files to store emails, attachments, contacts, diaries, to-do lists, and other data items. This file is Outlook’s proprietary file format and is not compatible with other applications. Mozilla Thunderbird, on the other hand, uses an MBOX file to store its emails with attachments.

Several persons require importing the OLM emails to a Thunderbird account. We understand that this step may be necessary for a user for a variety of reasons. It may be due to a change in the working environment or simply a way to access old Mac data on a PC. But whatever the reasons, we will provide you with the right solutions here.

User Queries

“I used to use Outlook for Mac, but due to a change at work, I had to switch to Thunderbird. All of my data must be migrated to Thunderbird. Please explain how to migrate Mac OLM file to a Thunderbird file. Because I have Outlook for Mac installed on my Mac, I can access my crucial file. Thanks.”

“I recently purchased a new Windows laptop on which I have loaded the Thunderbird application. I’ve been using Mac Outlook for many years and have exported the data items in multiple OLM files. Now I must completely go from a Mac to a Windows platform. I’m looking for a way to import all of my OLM files to Mozilla Thunderbird desktop account. Please provide a technique for completing this work.”

There are other identical inquiries on the internet, as there are with the previous ones. So, without further ado, let’s get to the point.

Related Post: How to Move OLM File to Exchange Server

How to Migrate OLM to Thunderbird Account

In the section below, we’ll go through two distinct techniques to accomplish this task. To migrate OLM files to Thunderbird profile, you may use either manual or professional techniques. So, first and foremost, carefully consider each alternative before deciding which the greatest suit is for you.

Free Manual Approach to Import OLM to Mozilla Thunderbird

To conduct this task manually, there are a number of steps that must be completed, as illustrated below:

  1. Get OLM file into Outlook for Mac
  2. Export the data to MBOX format
  3. Import the data into Mozilla Thunderbird

These steps are explained next.

Step 1: Get OLM files into Mac Outlook

This step is not necessary if your OLM data is already present in Outlook for Mac account. However, if it is an orphan OLM file, you will first need to import this file into the Mac Outlook application.

In case you want to import OLM files to Thunderbird without Outlook, then please proceed to the next method. Only a professional method can help you avoid dependency on the email client.

  • Open Mac Outlook for Mac Machine to get started.
  • Then, from the tool tab, choose Import from the drop-down box.
    click-import
  • It now asks, “What do you wish to import?” From the drop-down menu, choose “Outlook for Mac archive file .olm,” and then migrate the OLM file that appears.
    olm-files

Step 2: Export files to MBOX format

  • Log in to Outlook for Mac on your computer.
  • Select the folder and drag it to the upper right corner of the screen.
  • The generated file will then appear on your computer’s desktop.

Step 3: Import the Data into Thunderbird

  • To begin, open the Thunderbird email application.
  • Once you’ve performed the preceding steps, install the ImportExport Tool NG add-on for Thunderbird.
    thunderbird-add-on
  • Then select the left panel from the right-click menu.
  • Select Import MBOX from the ImportExportTools NG menu and click Ok.
    import-mbox
  • Click the OK button after selecting “Import one or more MBOX files” from the drop-down menu.
    convert-mbox
  • Please now choose the MBOX files that have resulted.
    mbox

That is all there is to it.

Tip: Try the manual method with small mailboxes first to verify the results. This way you can save your time and effort if this free method does not work for you.

Possible Drawbacks of Manual Procedure

  • It’s a long, time-consuming, and stressful procedure.
  • Technical knowledge is required for this.
  • It’s critical to have the Outlook for Mac application installed.
  • Data loss is a very real possibility.

Method 2: Use Professional tool to Migrate OLM to Thunderbird

It is recommended that you utilize a professional app to circumvent these constraints. Many IT professionals strongly suggest NXT Software. Users may import multiple OLM files to Thunderbird with this software. This tool allows you to keep the attachments intact.

Additionally, there will be no changes made to the email’s original formatting. You will not have any challenges in acquiring an accurate and secure migration. The solution may also migrate OLM to cloud-based apps such as Office 365 and others.

Other than Mozilla Thunderbird, this software also allows you to

Conclusions

It’s conceivable that you’ll need to move your email at any point. It is entirely dependent on the circumstances in which the user finds himself. In the same manner, users may need to know how to migrate OLM to Mozilla Thunderbird in certain circumstances. You’ll need to convert OLM to MBOX for this.

We’ve already covered a practical strategy that’s ideal for this sort of job. It offers the ability to import many OLM files into Thunderbird at the same time. Consumer demands, on the other hand, decide whether or not a certain solution is the best alternative.