Reactive Training Systems

Method 1: Copy Messages from Outlook Mac to Windows
You can export emails from Outlook for Mac to EML format and then import EML file to Outlook on Windows. For this, you need to drag and drop the emails from the mailbox folders in Mac Outlook to a local folder on the system storage media. The steps are as follows,

Open Outlook on Mac and select the messages that you want to convert to PST format.
Create a new folder on Desktop and drag n drop selected messages from Mac Outlook to this folder on the Desktop.
The messages are saved in EML format. Copy these mails to an external drive and then connect this drive to your Windows PC.
Open Outlook on Windows and create a new folder in Outlook mailbox.
Drag n drop the messages in EML format from the external drive to the new folder that you created in Outlook for Windows.
After this, open Import/Export Wizard in Outlook for Windows and export all the folders that contain copied EML emails to PST format.

Method 2: Sync Mac Outlook Mails to Windows Outlook
In this method, you sign in to Windows Outlook using the same account that you use on Outlook for Mac. Once signed in, all emails get synchronized to Outlook on Windows from the mailbox server.

After the sync is finished, you can open the Outlook Import/Export Wizard in Outlook for Windows to export the emails to PST format. Then import the PST file to Outlook account.