How to Send a Read Receipt in Outlook

When you send an important email, it's natural to wonder whether the recipient actually opened it. Outlook's read receipt feature is designed to answer exactly that question — but how it works, and how reliable it is, depends on several factors that are worth understanding before you rely on it.

What Is a Read Receipt in Outlook?

A read receipt is an automated notification sent back to you when the recipient opens your email. It's separate from a delivery receipt, which only confirms the message reached the recipient's mail server — not that anyone actually read it.

When you request a read receipt, Outlook asks the recipient's email client to send a confirmation the moment they open the message. That confirmation lands in your inbox as a brief notification.

How to Request a Read Receipt When Composing an Email

Sending a read receipt request in Outlook is straightforward, though the exact steps vary slightly depending on whether you're using the desktop app, Outlook on the web, or the mobile app.

Outlook Desktop (Windows)

1. Open a new email (or reply/forward an existing one).
2. Go to the Options tab in the ribbon.
3. In the Tracking group, check Request a Read Receipt.
4. Optionally, also check Request a Delivery Receipt if you want server-level confirmation too.
5. Compose and send your email as normal.

Outlook on the Web (OWA)

1. Start a new message.
2. Click the three-dot menu (More options) at the bottom of the compose window.
3. Select Show message options.
4. Toggle on Request a read receipt.
5. Send your message.

Outlook for Mac

1. Open a new email.
2. Go to the Options menu in the top toolbar.
3. Select Request Receipts, then choose Read Receipt.

Outlook Mobile (iOS / Android)

The mobile apps have more limited tracking options. Read receipt requests are generally not available in the standard Outlook mobile interface — this is a known limitation. If tracking is critical to your workflow, the desktop or web version is the more reliable choice.

How to Set Read Receipts for All Outgoing Emails

If you want every email you send to include a read receipt request automatically, you can set this as a default in the desktop app:

1. Go to File → Options → Mail.
2. Scroll to the Tracking section.
3. Check Read receipt confirming the recipient viewed the message.
4. Click OK.

This applies globally — every outgoing email will carry the receipt request unless you manually deselect it for individual messages.

What Happens on the Recipient's End? 📬

Here's where it gets more nuanced. When a read receipt is requested, the recipient may be prompted with a dialog asking whether they want to send the receipt. In many cases, they can simply click No — and you'll never receive confirmation, even if they read every word.

Some email clients handle this differently:

This inconsistency is one of the most important things to understand about read receipts: a missing receipt does not mean the email wasn't read.

When Read Receipts Work Reliably

Read receipts tend to be most consistent in controlled environments — typically within the same organization using Microsoft Exchange or Microsoft 365. When both sender and recipient are on the same mail infrastructure, and IT policy allows it, receipts are more predictable.

In cross-platform or external email scenarios, reliability drops significantly. The recipient's email client, their personal settings, and even organizational policies can all suppress the receipt notification entirely.

Delivery Receipt vs. Read Receipt — Quick Distinction 📋

These two terms are sometimes confused:

• Delivery Receipt — Confirms the email arrived at the mail server. Does not mean it was opened or seen.
• Read Receipt — Requests confirmation that the email was opened. Subject to recipient cooperation and client support.

Neither is a guarantee of engagement — but together they give you more signal than sending blind.

Variables That Affect Your Experience

Whether read receipts work the way you expect depends on a specific mix of factors:

• Your Outlook version — Desktop, web, and mobile have different capabilities
• Your mail infrastructure — Microsoft 365, Exchange on-premises, or a third-party mail host all behave differently
• The recipient's email client — Outlook-to-Outlook tends to work better than cross-platform requests
• Organizational IT policies — Some companies auto-block or auto-confirm receipt requests at the server level
• Recipient preferences — Many people decline receipt prompts as a matter of habit or privacy preference

For users in tightly managed enterprise environments, read receipts can function as a reliable tracking tool. For individuals emailing across different platforms and organizations, the same feature may return spotty or no results at all. 🔍

Understanding which of these variables apply to your own setup — your Outlook version, your mail server, and who you're typically emailing — is what determines whether read receipts will actually give you the confirmation you're looking for.