Directions to Import MBOX to OLM Mac Archive File Format
Start the tool, it gives dual options to choose MBOX file or folder.
Select folder having MBOX files.
Now showing the selected file location, click on Next button.
Here showing all MBOX files in software panel, select them and press Next button.
Select destination path and option to create separate OLM files for every MBOX file. After that press Convert button.
MBOX file to OLM process is running so please wait.
Conversion completed successfully, now press Ok button.
After complete the procedure, it will automatically open the resultant data folder.