Step 1: Download, Install and Open the Software.
Step 2: There are Three option to import MBOX file
Step 3: Click on browse file button to select the MBOX file folder
Step 4: See the preview of MBOX file
Step 5: Slect Export Options
Step 6: Click on browse destination to select the saving path.
Step 7: Last press on convert button to convert the MBOX file.