How to Convert MSG to MBOX files in Bulk without Outlook?

Are you in a situation where you have some MSG files and want to import them in any MBOX file supported email client? If this is the case, MSG file to MBOX Conversion process can help you. Users can save email messages from multiple MSG files in a single MBOX format. In this blog post, we will described the complete steps for user to securly Convert MSG to

MS Outlook is the most famous email client that users use to perform emailing process. Like other desktop-based email clients, it also offers to saves mailbox information locally. Outlook supports the file formats for saving like- PST, OST, NST, MSG, and EML files (in a Newer version of Outlook).

Outlook contains all user mailbox information like- emails, contacts, calendars, and other Outlook data files like- PST or OST. But in case, if a user needs to save items separately from Outlook, it is possible with MSG files. For saving email and other elements individually, users can create separate MSG files in Outlook.

Saving items in separate files help users in various cases, but sometimes users come in a situation where they need to save multiple MSG files in a single file. Below mentioned are some of the user’s queries who facing the same scenario:-

Also Read:- How to Convert MSG files to PST free?

Real User Query

User 1:- Previously i have used a free edition of Outlook and i have configured my personal account in it. Now i need to swicth from this email client to Thunderbird. But i am unable to transfer my data from Outlook. The reason is Outlook has saved my email messages in MSG files. My question is is there any method available to Convert MSG to MBOX format for Thunderbird?

User 2:- A client has sent me some Outlook MSG files with important emails messages. In my computer i have an email client but it is not Outlook. Due to this reason i am unable to access information from MSG files in my computer. Can any one me to open MSG files & Convert MSG files without Outlook application.

User 3:- I have more than 1000+ Outlook MSG files in an External drive in multiple folders. But want to save them in single file type. The reason is managing these large number of files is very difficult. Also, sharing these files one by one is very time taking process. Please help me to convert MSG file and save all emails to a single MBOX file.

Best Method Convert MSG to MBOX files in Bulk without Outlook

Outlook saves outlook email messages separately in MSG files. When users need to save all emails items from MSG file to single file type MBOX file format is the best option. User can save/convert MSG to MBOX file in bulk with the aid of eSoftTools MSG Converter Software. This single utility can provide you multiple features and functions to do the MSG file conversion process in a much smooth manner. The tool works with all ANSI and UNICODE supported MSG files for conversion. Before conversion also user will get the power to view emails from MSG file.


Steps to Convert MSG to MBOX File Format using MSG Converter

Perform the downloading and installation process of eSoftTools MSG Converter Software in your machine. Then apply the steps mentioned below:-

  • Launch the Software in your machine, and from the first screen click on Select MSG folder button.
MSG Converter Main Screen
  • In the next window, hit on “Select MSG folder” button and choose the MSG file/folder location and click on Next.
Select MSG folder
  • Now the software start the scanning process and load all MSG files and folder information.
MSG files Scanning
  • Check the preview of email messages from MSG files and chooe required folders then press the Convert MSG button from the top menubar.
MSG emails preview
  • Now from the Export options list select Export in MBOX option.
Conversion formats
  • Next click on browse to choose the destination path to save resultant files. Choose Single MBOX or Separate MBOX from the MBOX options section.
Export in MBOX
  • Apply Mail filtering and finally hit on Convert to start the conversion of MSG to MBOX files.
Convert MSG to MBOX


Above we have mentioned the best solution to Convert MSG to MBOX files in Bulk without Outlook. We have provided the all steps to done conversion using an automated tool. As a result, we can say that there is no manual technique that can allow you to convert MSG file to MBOX without Outlook dependency. But using eSoftTools MSG Converter Software now it become possible and also in an easy manner. To know more about this tool simply utilize its demo version.

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