To Import EML to MBOX, try the EML Converter to MBOX tool that is completely developed with advance features to export EML to MBOX. The Converter tool has batch approach for quick EML to MBOX conversion.

1. Now anyone can easily Convert
EML files to MBOX extension, by
using the EML to MBOX Utility.
It is the exact third-party tool
which can sort out entire bothers
of users to Export EML messages
to MBOX.

2. The Software would be able to Export EML Files of Windows
Live Mail, Outlook Express and Windows Vista Mail to MBOX
without skipping any details. With support of this tool, users
get complete solution to Export EML to MBOX Thunderbird,
Entourage, Mac Mail, Eudora, etc. To know about the
Conversion process of EML to MBOX, follow mentioned easy
steps –

3. • Download the EML to MBOX Converter & Run the Process
• Select EML files with - a. Single Mode & b. Batch Approach

4. • With a. option, Select .eml files one by one.

5. • Keep entire eml files in a folder and select the folder with b. option for
one round conversion processing.

6. • Now, Check that eml files are selected or not and After that Click the
Convert Messages to MBOX File Button.

7. Now the Software convert entire .eml messages into MBOX format then
users can easily import the converted mbox files into Thunderbird,
Mac Mail, Entourage, Eudora, etc.
The EML to MBOX Converter Program will Export EML data to MBOX
with previous folder structure – inbox, outbox, sent items, etc.
Download Trial Edition
The Tool comes with Trial Version for users. Using this demo feature,
users can try the working procedure of this tool and can export 10 eml
files into mbox format at free of cost. Download the Trial with below
link –
http://www.emltombox.org/dl/eml2mbox.exe
After using the demo, if users would like complete conversion from EML to
MBOX then buy its licensed key with below link –
http://www.emltombox.org/get-license.html

8.  With Batch Approach , users can export entire EML files in MBOX in one round.
 With Single Approach, users can export selected eml data to mbox.
 The Tool is based on entire Windows Application – Win 7, Win 8, Win Vista, etc.
 Convert EML to MBOX with entire attachment data.
 Export EML files in MBOX with metadata and formatting.