Apple Intelligence in macOS 15.1 revolutionizes the way you manage your email, making it easier than ever to stay organized and responsive. This guide will walk you through how to use the powerful features Apple Intelligence brings to the Mail app, including Writing Tools, Priority Messages, Smart Reply, and automatic email summaries. Whether you’re crafting the perfect message, quickly finding urgent emails, or catching up on lengthy threads, Apple Intelligence is here to streamline your email experience.
Note: Apple Intelligence is available in macOS 15.1 on Mac models with M1 or later, with Siri and device language set to US English. For setup instructions, visit Get started with Apple Intelligence.
Table of Contents
View Priority Messages in Your Inbox
Keeping track of your most important emails is crucial. With Apple Intelligence, you can easily prioritize time-sensitive messages, ensuring you never miss a critical email like a dinner invitation or a boarding pass.
- Open the Mail app on your Mac.
- Click on an inbox, choose View from the menu bar, then click Show Priority.
- Your time-sensitive emails will appear at the top of your inbox.

Use Smart Reply in Mail
Responding to emails quickly and efficiently is key to staying on top of your communications. Apple Intelligence’s Smart Reply feature helps you draft quick responses, ensuring you cover all necessary points.
- Open the Mail app on your Mac.
- Click on an email, then click the Reply button.
- Click the Message field, then choose a suggested reply.
- Apple Intelligence drafts a reply in the email. To refine your reply, see Use Writing Tools with Apple Intelligence.
- When you’re ready to send your reply, click the Send button.

Summarize Your Email
Apple Intelligence can condense complex emails or lengthy threads into easy-to-read summaries, allowing you to quickly grasp the essential details.
- Open the Mail app on your Mac.
- A short summary will automatically appear under each email in your inbox.
- Click on an email, then click Summarize.
- Note: You may need to scroll to the top of the email for the Summarize button to appear.
- A summary will appear above the email. If the email is part of a thread, the contents of the thread will be summarized.

Turn Email Summary Previews On or Off
You can customize your Mail app to show automatic summaries under your emails or choose to see the first lines of the most recent message instead.
- Open the Mail app on your Mac.
- Choose Mail > Settings, then click Viewing.
- Select or deselect Summarize Message Previews.
Conclusion
Apple Intelligence in macOS 15.1 is designed to enhance your productivity and streamline your email management. By utilizing features like Priority Messages, Smart Reply, and automatic summaries, you can ensure that you stay on top of your inbox with ease. Start leveraging these tools today to make your email experience more efficient and effective.