After successfully converting MBOX file to OLM via the provided software, do the following as per the application version you have on your system.
For Mac Outlook 2011 Version
- Open the application on Mac and goto File menu option.
- Select import Option, Select Outlook Data File Option
- Now follow few steps to complete the import process.
For Mac Outlook 2016, 2019, 2021 Version
- Start the application on Mac and select tool or Import Option.
- On Import panel, select Outlook for Mac Archive File (.olm) press next.
- follow few simple steps to continue all simple import process or next option.