How Do I Export My Thunderbird Calendar to Outlook?

Bhawna Barwal | email conversion file conversion software technology thunderbird | 4 minutes read | Modified on: 03-07-2025

Looking for how do I export my Thunderbird calendar to Outlook? Then you are here at the right place. This blog will tell you the benefits of migrating to Outlook email client to maintain calendar item. Also, you will know the precise step by step instructions that seamlessly enable to export calendar from Thunderbird email client to MS Outlook app. Now let’s begin the blog.

Advantages to Migrate Calendar from Thunderbird to Outlook

There are several reasons why someone wants to import their calendar from Thunderbird to Outlook:

  • Outlook offers unified email, calendar, and contacts management in one place, which can be more efficient than managing them separately in Thunderbird application.
  • Outlook is a popular platform that syncs seamlessly across various devices such as Windows, Mac OS, etc.
  • In Outlook, Task and Event Management option available that enables facilities like advanced scheduling, and automatic reminders. It can be more robust, and convenient for the users who need to organize meetings and appointments.
  • Outlook offers several ways to view your calendar (day, week, month, etc.), and you can overlay calendars to compare personal and work schedules.
  • Microsoft Outlook is widely utilized for professional purposes. As it provides encryption and compliance features, which may be crucial for corporate users.
  • Outlook not only manages your calendar but also integrates task management, allowing you to schedule tasks with deadlines, set reminders, and even track progress.
  • Outlook offers customizable reminders for both tasks and calendar events.

How Do I Export My Thunderbird Calendar to Outlook? – Complete Process

As we know, Thunderbird email client saves user profile that contains emails, contacts, and calendar. Users can export Thunderbird calendar to ICS files. So that they can export such exported ICS files to Outlook email client. Let’s know how:

Step 1: Export Calendar from Thunderbird to ICS Files

  1. Open Mozilla Thunderbird email client on your PC.
  2. From the main menu you must click on the Events and Tasks option.
  3. Now from the multiple options in that list, you have to click on the Export option.
  4. Then select the precise Calendar option in order to export. Thereafter click on the Ok option.
  5. Choose saving path, and give custom name to ICS file. And then hit the Save option.
  6. Lastly you can view your ICS files in the local drive.

Step 2: Import ICS Files to Outlook

Now, users must follow few simple steps to imported extracted, exported ICS files to Outlook email client.

  1. Firstly open Microsoft Outlook email client in your systems.
  2. Now directly click on the File option.
  3. Choose the Open & Export option.
  4. And then select Import/Export option.
  5. Now you need to choose Import an iCalendar (.ics) or vCalendar file (.vcs).
  6. Then move further pressing “Next”, and go to the path of extracted ICS files.
  7. Select the file and click on the Open option.
  8. Finally click on the Import option and view, read calendar from Thunderbird to Outlook.

Thunderbird Utility to Export Calendar from Thunderbird to Outlook

BitData Migration Thunderbird Converter – It is a seamless approach to export Thunderbird data to popular programs for example Outlook.com, Office 365, Gmail, Office 365, etc. It is also well capable of converting emails, contacts, and calendar from Thunderbird to file formats for example PST, MSG, EML, MBOX, and many more. This software is well suites with both Windows and Mac Operating Systems. And for demo purpose, it enables to export 20 items from Thunderbird free of cost. Let’s know how to use this software below.

How Do I Export My Thunderbird Calendar to Outlook with the Software?

Step1: Firstly install Thunderbird to Outlook utility.

Step2: Choose calendar option available near to I want to convert data from Thunderbird mailbox.

Step3: Now upload extracted ICS files from Thunderbird files using either Add Files or Add Folder option.

Step4: Choose the PST saving option.

Step5: Then click on the Export option to start migration process.

Step6: After a while you receive a success notification, and also hit the Ok tab to finish the task.

Read more:

How Can I Print Thunderbird Email, Calendar and Contacts?

How to Export Thunderbird Archive?

How Do I Backup Thunderbird Emails to Outlook.com Account/Hotmail.com/Live.com?

Wrap Up

The blog was dedicated to resolve user’s issue how do i export my Thunderbird Calendar to Outlook. Now they can follow the manual steps mentioned above to simple export extracted ICS files from Thunderbird app As, there is no direct way available for this. Thereafter, users can export the ICS files to Outlook email client manually as well as automatically. The suggested software helps to export multiple extracted ICS files to PST files at once, without any obstacle.