Microsoft Outlook Do Not Download Attachments 'link' Info
For the desktop app, you can disable the automatic loading of external images and files to prevent tracking pixels and malicious code. Go to File > Options > Trust Center .
You can stop Microsoft Outlook from automatically downloading attachments and images to save data, improve performance, or boost security. While "attachments" (files like PDFs or Word docs) and "external content" (images) are handled differently, you can manage both through the Microsoft Support Portal or your account settings. microsoft outlook do not download attachments