You can extract attachments from multiple Outlook PST files at once using a dedicated Outlook attachment extractor. Manually opening each email and saving it attachments into the selected folder can take a lot of time, especially when working with large mailboxes.
You can try a dedicated tools like MailsDaddy PST Attachment Extractor. The tool simplifies the process by allowing you to add multiple PST files, extract their email attachments in bulk, and download the files to your selected location. It is useful for users who collecting documents, images, and other important files from archived Outlook emails.