PURPOSE Unknown attachments can contain malware, phishing pages, or unsafe scripts. BE CAUTIOUS WITH Unexpected invoices, resumes, shipping notices, compressed files, macros, scripts, and password-protected archives. BEFORE OPENING Verify the sender and whether you expected the file. DO NOT ENABLE Do not enable macros, scripts, or editing unless you are certain the file is trusted and required. BEST PRACTICE Report suspicious attachments instead of experimenting with them.