Using Microsoft Outlook, you can extract attachments from PST file. Follow the below-given steps to do it-
1. Launch Outlook email client on your system.
2. Naviagrate to File >> Open & Export >> Import >> Export to add PST file into Outlook.
3. After that, open email from which you want to extract attachments.
4. Click on drop-down icon at the attachment file and choose Save All Attachments option.
5. Choose the location to save attachment and press Save.
6. Repeat the steps to export attachments from other emails.
Done! That's how you can extract attachments from PST file but it is time time-consuming process. You can instantly save all attachments at once with PST attachment extractor tool.