A Complete Guide to Export MBOX File to Mozilla Thunderbird

Do you want to export MBOX in Thunderbird? In this post, you will get all the details of importing files to Thunderbird from various sources. Here are some of these sources:

  • If you have exported various file formats into MBOX which should be imported to Thunderbird application.
  • You have old MBOX files saved in hard drive or any other external drive and you would like to add MBOX to Thunderbird profile.
  • You need to use Gmail in Thunderbird.
  • You might also want to import MBOX file into Thunderbird from different application but same format.

Note – If you have just installed Thunderbird on your system, you need add-on to import or export file on your local machine.

Before we go ahead to the discussion and add MBOX to Thunderbox, let get to the brief file format of Thunderbird and MBOX is usually located on the local system.

What is Mozilla Thunderbird?

Mozilla Thunderbird is an open source, cross platforms and is absolutely free email platform. It has a range of options for PC so you can integrate several mailboxes with POP or SMTP protocols. Thunderbird is responsive, lightweight information which works well. It stores all your contacts, emails and other files in mailbox, which is widely known as MBOX. It might be important to import MBOX file in Thunderbird as it is among the most popular and widely used email platforms.

Location of Thunderbird MBOX files

On Windows Vista, 7, 8.1 and 10

  • Type in %APPDATA% in Search Box on Windows Start menu.
  • Click “Roaming” item which appears on menu.
  • Now go to Thunderbird > Profiles. In this folder, each folder is a profile on the PC.

You can also go to your profile folder directly at this path – C:\Users\<Windows user name>\AppData\Roaming\Thunderbird\Profiles\<Profile name>\

Along with Mozilla Thunderbird, some of the most popular email clients supporting MBOX formats are Apple Mail, Netscape etc. MBOX format is widely used by pro users for business. Here is the complete manual method to import MBOX into Thunderbird client –

Import MBOX Files into Thunderbird (in Mac/Windows)

Here are the ways to add MBOX to Thunderbird. You may need to follow these methods because of different needs.

Import MBOX in Thunderbird (Windows)

First of all, users have to install ‘ImportExportTools’ add on to import MBOX to Mozilla Thunderbird. It is important to ensure that backup of MBOX file is created to avoid any chance of data loss if import process gets interrupted or fails.

  • Go to Tools > ImportExportTools > Import MBOX file on Thunderbird. Import one or more MBOX files directly in the dialogue box appeared. You can also change the option selected according to your needs and click OK.
  • Choose the MBOX file and click “Open”. The MBOX file is imported to Thunderbird.

Import Apple Mail MBOX file for Mac in Thunderbird

If you would like to switch to Thunderbird for Mac OS with manual process, go through this step-by-step process below –

  • Open Thunderbird on local system on Mac to start the process.
  • Go to Tools > Import option.
  • Now, it’s time to choose the Mail option from several options displayed in the existing wizard and click Next.
  • Now it will show up a screen. Choose the option Apple Mail and click “Next” to proceed.
  • You can see Apple Mail folder in LHS of Mozilla Thunderbird after the import process. It will have all your mail data.

Import Gmail MBOX to Thunderbird

Here are the detailed steps covered in the import process of Gmail MBOX data to Thunderbird client. In case of using Thunderbird in Windows operating system –

  • You have to configure Gmail account in Thunderbird client after the Launch Thunderbird on the System.
  • Now restart Thunderbird client and right click on the account and select settings from the list.
    Export MBOX file to Thunderbird
  • Go to local directory and copy the path of the location by clicking on Server settings.
    free mbo to pst converter tool
  • Paste the copied path on Windows Explorer address bar and click Enter.
    Regain Mbox to Pst converter software
  • It will show up some files under the given location.
  • Now move MBOX file to the folder that has been opened.
    mbox to pst migration
  • Now restart the Thunderbird email client again and check left side to see content of Gmail under Local Folders in Thunderbird.
    mbox to thunderbird migration tool

In Thunderbird for Mac, you can easily import MBOX file of Gmail into Mac Thunderbird by choosing File and proceed to import Mailboxes. Then, select the MBOX file and access the contents without any problem in Thunderbird account.

Verdict

I have used the above methods almost to import MBOX into Thunderbird. Well, I need to focus some lights on the cons of adding MBOX files or importing them to your Thunderbird manually.

  • It doesn’t allow importing the files in batches.
  • Thunderbird has no tool inbuilt to import MBOX file as detailed above.
  • There is always a risk of data loss.
  • Manual method is vulnerable to file corruption most of the times.

So, I personally recommend you to import files carefully. You can use Regain MBOX to PST Converter to convert mbox file in just few clicks. No Technical skill is require to access this application.

How to Convert Windows Live Mail EML files into Outlook PST for free?

Microsoft offers huge range of email applications like Microsoft Outlook, Outlook Express, and Windows Live mail which are used across the world according to users’ convenience. These email applications use various file formats for data storage. Windows Live Mail supports EML files and MS Outlook stores data in PST file.

The data is stored in body and header part of EML files. Windows Live Mail saves data with MIME RC 822 standard. In header format, EML files store ASCII characters and body part has hyperlinks, text, and attachments.

For migrating from Windows Live mail to Outlook, it is important to convert EML into PST file format. Hardware issues, file errors, synchronization and other errors are some of the problems in Windows Live mail. Here are the steps to convert EML into PST files manually.

Steps for EML to Outlook PST file conversion

  • Open Windows Live Mail and MS Outlook
  • Click on File under Windows Live Mail
  • Select Microsoft Exchange under Export > Email Messages Windows Live Mail to PST Converter
  • Windows Live Mail Export box will be opened by clicking on Next
  • You need to choose from Microsoft Windows Live Mail and Microsoft Exchange where you want to export email and click Next.Export Windows Live Mail to Outlook PST Format
  • It will show up a dialog box “This will export messages from Windows Live Mail to Outlook”, click Ok
  • Now choose mail folders you want to export. You can select from either “Selected folders” or “All Folders” option.Free Guide to Convert EML to PST
  • Click “Finish”

After that, a message will show up that messages are exported successfully.

How to Transfer Outlook PST to Office 365 with Network Upload Manually?

Microsoft Office 365 is a best suite which offers cloud based services for the users. By considering the features from Office 365, a lot of people migrate from MS Outlook to Office 365 platform. You can use the professional Regain Outlook PST to Office 365 migration tool but you can also use the free method to do this. When it comes to migrate from PST to Office 365, you need to upload PST files to Office 365 with the option of “Network Upload”.

PST files to Office 365 export is a very complex task and it has some prerequisites before you start the process of migration. It is important for the users to understand the tools and techniques used in this process. Here are the tools needed for migration of PST files to Office 365 –

  • SAS URL
  • Azure AzCopy
  • Command Prompt (CMD)

How to Perform PST to Office 365 Migration

When it seems too complex to transfer single PST file to Office 365, you can migrate PST files into Office 365 in bulk with “Network Upload” option. Here are the detailed steps to import PST into Office 365.

Step 1: Azure AzCopy Installation and Copy SAS URL

SAS URL is a URL network which can be used to store Azure in a location in MS Cloud and Shared Access Signature Key SAS Key for organization. SAS key has set permissions to move email from outlook storage of Azure.

  • Go to protection.office.com link
  • Log in to Office 365 admin account
  • Select the option Data Governance and click import button
  • It will open the Import page and click “Import Service”
  • Click on New Job and Upload PST files
  • It will open the page to upload files and select the show network to upload SAS URL.
  • Copy URL and save in a file location
  • Go to “Download” and install Azure AzCopy.
  • Click on “Run” button when a pop-up window appears

Step 2: Import Bulk PST to Office 365

  • Type CMD in search bar after clicking Start button
  • Right click on Command Prompt and click “Run as administrator”
  • Migrate PST files into Office 365 with AzCopy.exe tool

Step 3: Ensure that PST files are uploaded

  • Install MS Azure Storage Explorer
  • Open explorer and check out the list of PST files to Office 365
  • Now you can see the files stored on Azure where they can be mapped to the mailboxes.

Step 4: Create PST to MAP file

Now you need to convert files to Comma Separated Values (.CSV format). Such kinds of files are imported to user mailboxes.

Step 5: Export Files to Microsoft Office 365

  • Use your administrator account to enter Office 365
  • Select import under Data Governance
  • Click on Import services from import window
  • Select new job and (+) and click upload email.
  • Select “I am done uploading my files” on Upload Files over the network and enable “I have access to Map file” and click Next.
  • Select PST import and click next.
  • Add PST mapping by clicking Add button.
  • Click on Validate CSV after selecting CSV file stored.
  • Enable the checkbox “Read terms and conditions”
  • Click Finish to submit job to import PST to Office 365.

It will finish the process for Outlook PST to Office 365 file transfer. As the method of PST to Office 365 is not so easy, it needs a lot of applications. So, it has certain risk. It needs technical knowhow. If you want to avoid this stress, backup Outlook PST files before doing migration.

You may also try this Regain PST to Office 365 application, Go through Free version to see Results. You can download this tool from here: