It is not safe to open email attachments from unknown senders for the following reasons:

1. Emails from unknown senders may contain malicious links, viruses, or other malicious software that could cause damage to you or your device.


2. Emails from unknown senders may also contain phishing scams which are designed to look legitimate but are actually harmful.


3. It is important to never open attachments from an unknown sender without first taking steps to verify the validity of the email and sender.