What is the best approach of converting hundred plus EML files of WLM to Thunderbird of MBOX?

Kindly provide a shortcut method to transfer data.

EML and MBOX are two versatile email file extensions supporting multiple email clients like Thunderbird, Entourage, Eudora, WLM, Postbox, and many others. When it comes to converting EML files to MBOX, you have two logical ways to convert data- Manual and using a third-party application. Manual conversion approaches are not so easy to follow and have some risks of data loss. Since, you are interested in learning shortcut methods to transfer data, the drag and drop method can save time. 

Drag and Drop Manual Conversion Method

· The initial step is to create a new folder in Thunderbird- Click on the Inbox then select New Folder option and provide a unique name and in the end, click on the Create Folder tab.
· After that, minimize your Thunderbird account and go to the folder holding EML files. Select all EML folders with CTRL+A button and then drag them to the recently created Thunderbird sub-folder. 
· It may take a few seconds to import EML messages to Thunderbird. 
· Close the Thunderbird and reopen it to view the dragged files.

It is the fastest manual method of accessing EML files in Thunderbird. In this process, the system can hang and slow down. So, it depends on you. If you are ready to take these risks, go ahead. 

Using a Third-Party Application

The market is full of choices. Look for a reliable conversion application like the Softaken EML to MBOX conversion tool. It is a fast application that can convert multiple EML files to MBOX without making the system performance slow. Conversion preserves the data quality. All attachments are exported from EML to MBOX. It is an advanced app, well suitable for commercial and personal users. It comes with the advantage of lifetime validity.