Save All Attachments at One Time in an Outlook Message
It can be time consuming when you receive an email with several attachments and you want to save all of them quickly. You could open each attachment one at a time and save it. But a more efficient way, if you are saving them all to the same folder, is to not open any of them and instead use Outlook’s File tab to do the job.
Knowledgebase article explaining the process.