Migrating mailbox from KMail to Microsoft Outlook can be a difficult task, especially since these e -mail clients use different file formats. KMail store their data in the MBOX file format, while Outlook primarily uses the PST file format to save them. This guide will guide you through the step-by-step procedure to transfer the KMail Mailbox to Outlook 2021 on a Windows system.

Why Transfer KMail to MS Outlook?

There are several reasons why users may need to move from KMail to Outlook 2021:

• Professional requirements: Many organizations use Outlook as their primary email client.
• Improved features: Outlook provides advanced features such as better calendar integration, task management, and improved safety.
• Better compatibility: Outlook is seamlessly integrated with Microsoft Office applications.

Extract the MBOX file from the KMail Account.

Before, starting the conversion process, first we extract the MBOX files from the KMail Account. Since KMail is not natively available on Windows, Install a Linux virtual machine (VM) or use Windows Subsystem for Linux (WSL) to run KMail.

Step 1: Locate KMail MBOX Files

• Press Win + R, type %appdata%, and press Enter.
• Navigate to: C:\Users\YourUsername\AppData\Local\.kde\share\local-mail\
• Inside this folder, you will find MBOX files without extensions, such as:
• inbox
• sent-mail
• drafts
• trash

Step 2: Copy the MBOX Files

• Select the required files (e.g., inbox, sent-mail).
• Right-click and choose Copy.
• Paste them into another folder (e.g., C:\KMail_Backup).

Step 3: Rename the MBOX Files

• Go to the backup folder (C:\KMail_Backup).
• Rename each file by adding a .mbox extension:
• Inbox → inbox.mbox
• sent-mail → sent.mbox

Now, your MBOX files were extracted from the KMail Account.

Methods to Convert Extracted MBOX files into PST for Outlook

MBOX files are converted into PST format in various of ways, So, we mentioned the two best strategies for completing the conversion process of KMail MBOX files to PST format for MS Outlook.

Utilize Mozilla Thunderbird to Convert MBOX Mailbox to Outlook PST

Step 1: Import MBOX into Thunderbird

• Install Mozilla Thunderbird and set up a dummy account.
• Install the ImportExportTools NG add-on.
• Open Thunderbird > Tools > ImportExportTools NG > Import MBOX file.
• Select your MBOX file and import it.

Step 2: Export Emails from Thunderbird as EML

• Open the imported MBOX folder in Thunderbird.
• Select all emails (Ctrl + A) and right-click.
• Click Save As and choose a folder (emails will be saved as .eml files).

Step 3: Import EML Files into Outlook

• Open Microsoft Outlook.
• Locate the folder where .eml files were saved.
• Drag & Drop the .eml files into an Outlook folder.

Step 4: Export to PST in Outlook

• In Outlook, go to File > Open & Export > Import/Export.
• Select Export to a file > .pst file > Next.
• Choose the folder where you imported emails and click Next.
• Select a location to save the PST file, then click Finish.

Expert Technique to Transfer KMail MBOX files into Outlook PST.

To export KMail email client (.mbox) files into Outlook (.pst) format safely and securely, We, utilize a professional application-Softaken MBOX to PST Converter Software. This highly precise conversion utility seamlessly converts any large size of MBOX files into PST format without facing any issues. Also, this tool exported all PST files are smoothly works in all versions of Microsoft Outlook 2021, 2019, 2016, 2013, 2010, 2007, and older ones. This Converter for MBOX is useful for all users whether they are tech-proficient or not.

Steps to Convert MBOX data file to PST format for Outlook 2021, 2019, 2016, ……

1. Download & Start the MBOX to Outlook Converter
2. Browse and add the extracted MBOX files of the KMail email client
3. Take a complete preview of the added MBOX data
4. Choose the PST file format from the file types
5. Finally, Click on the Convert button.

Conclusion

Transferring emails from KMail to Outlook 2021 requires converting MBOX files to PST format. While using automated tools makes the process simpler and easier, using manual techniques can also be effective but experts don’t recommend it. By following the steps above, you can seamlessly move your complete KMail Mailbox into MS Outlook 2021, without facing any issue