You will achieve the best results for all versions if you export the emails in a different format beforehand. Outlook offers this function itself. In the exported .CSV format you should be able to find all email addresses from the sender, recipient and message content.
In Outlook, click "File" in the menu ❯ "Open us Export", then click "Import/Export". A dialog box with the name "Import/Export Assistant" appears. There you go through the steps as follows and then click the "Next" button:
You can then access the created .csv file in the email grabber via "Search files" ❯ "Add" ❯ Open "File" or Drag and drop them into the list of files to be searched and search for email addresses.