You can easily extract IDs files using MacUncle PST Email Address Extractor. The tool supports Mac OS Machines.
Start MacUncle PST Email Address Extractor on your Mac Computer
Select PST Files from system using Add File(s) and Add Folder(s).
Choose requires PST files to extract Email ID
Go to Filter option for selective PST Email address extraction.
Click the Start Extraction button to start Email Address Extraction from PST Files.
In a few moments, the tool opens the location with a resultant CSV file consisting of email addresses from PST files.