What read receipts do and when to use them
A read receipt is a notification that tells you when someone has opened your email. When you send an email with a read receipt request, Outlook asks the recipient's email system to send you a message back confirming they opened it. This is different from a delivery receipt, which only confirms the email reached their inbox.
Read receipts work best for time-sensitive messages where you need to know if someone has actually seen your email — a project important date reminder to a coworker, a payment confirmation you need acknowledged, or a meeting change sent to a client. They are less useful for newsletters, announcements, or emails to large groups, since many recipients will have read receipts turned off and you will get incomplete information.
Keep in mind that read receipts are not foolproof. Many email systems and corporate networks block them for privacy reasons. If someone's Outlook is set to never send read receipts, you will not get one no matter what you request. Some people also manually decline to send a read receipt when prompted, so a missing receipt does not always mean someone did not read your email.
Key Takeaways
- Read receipts request confirmation that someone opened your email, but many email systems and users block them for privacy reasons.
- In Outlook on the web, you request a read receipt by clicking Options and selecting "Request a read receipt" before sending.
- In Outlook desktop, you access read receipt options through the Message tab or through your account settings for automatic requests on all emails.
- A missing read receipt does not mean someone did not read your email — it usually means their system blocked the request or they declined it.
- Read receipts work best for individual emails to coworkers or clients, not for group emails or newsletters.
How to request a read receipt in Outlook on the web
Open Outlook in your web browser and start composing a new email. Type your recipient's address, subject line, and message as normal. Before you click Send, look for the three dots or "More options" button — this is usually at the bottom left of the compose window, below where you type your message.
Click "More options" or the three dots. A menu will expand showing additional settings. Look for "Request a read receipt" and check that box. You will see a confirmation that the option is now on. Then click Send as you normally would. Your recipient will see a notification asking whether they want to send you a read receipt when they open the email.
If you do not see a "More options" button, try clicking the down arrow next to the Send button instead. Some versions of Outlook on the web place this setting in a slightly different location, but it is always near the Send button in the compose area.
How to request a read receipt in Outlook desktop
In Outlook on your computer, open a new email and compose your message. Once you have written what you need to send, look at the top of the compose window for the "Message" tab. Click it if it is not already selected. In the ribbon that appears, find the "Request Read Receipt" button — it is usually in the Tracking section, often shown as a small icon with an envelope or checkmark.
Click "Request Read Receipt" to turn it on for this email. You will see the button highlight or change appearance to show it is active. Then click Send. Your recipient will be prompted to send you a read receipt when they open the email.
If you want Outlook to request read receipts on every email you send automatically, you can set this in your account settings instead of doing it for each message. Go to File, then Options, then Mail. Look for "Tracking" in the left menu. Check the box for "Always request a read receipt" or "Request a read receipt for all messages sent" — the exact wording depends on your Outlook version. After you save these settings, every email you send will include a read receipt request unless you manually turn it off for a specific message.
What happens when someone receives your read receipt request
When your recipient opens the email, Outlook will show them a dialog box asking "The sender of this message has requested a read receipt. Do you want to send a read receipt to the sender?" They have three choices: send the receipt, do not send it, or never send read receipts for this sender.
If they click "Yes" or "Send Receipt," you will receive an email notification confirming they opened your message. This notification will include the date and time they opened it. If they click "No" or decline, you will not receive a receipt — and you will not be notified that they declined. You straightforward will not get a receipt.
Many corporate email systems are set up to block read receipt requests entirely, so your recipient may never see this dialog at all. In those cases, you will not receive any notification, and the recipient will not know you requested one. This is why read receipts are unreliable in large organizations or when emailing outside your company.
Why you might not receive a read receipt
The most common reason you do not receive a read receipt is that the recipient's email system blocks them. Many companies disable read receipts for privacy and security reasons, especially in industries like healthcare, finance, or law. If you are emailing someone at a large corporation or government agency, assume read receipts will not work.
A second reason is that the recipient manually declined to send one. They saw the prompt and clicked "No." This is their choice, and there is no way for you to know whether they declined or whether their system blocked it — you straightforward will not get a receipt either way.
Third, the recipient may have Outlook set to never send read receipts automatically. Some people turn this off in their account settings because they consider read receipts an invasion of privacy. If someone has this setting enabled, they will not send a receipt no matter what you request.
Finally, if the email bounced or was filtered to spam, the recipient never opened it at all, so no read receipt will be sent. In that case, the lack of a receipt might actually be useful information — it could mean the email never reached them.
Read receipts versus delivery receipts
Do not confuse read receipts with delivery receipts. A delivery receipt confirms that the email reached the recipient's mail server and was placed in their inbox. A read receipt confirms they actually opened it and read it. Outlook can send you both, but they are two different things.
Delivery receipts are more reliable than read receipts because they are handled by the mail server itself, not by the recipient's email client. If you request a delivery receipt, you will almost always get one — it will tell you whether the email was delivered successfully or bounced back. If it bounced, you will know when ready that the recipient never received it.
To request a delivery receipt in Outlook on the web, use the same "More options" menu where you request a read receipt. In Outlook desktop, look for "Request Delivery Receipt" in the Message tab, usually right next to the read receipt option. You can request both at the same time if you want confirmation at both stages.
When read receipts are not the right tool
Do not use read receipts for emails to large groups or distribution lists. If you send one email to 50 people and request a read receipt, you will get back 50 separate receipt emails (or fewer if some people decline or their systems block it). This creates clutter in your inbox and does not give you useful information — you cannot tell which specific person opened it when, just that someone did.
Read receipts also do not work well for emails that might be forwarded or opened by someone other than the intended recipient. If you send a read receipt request to someone's work email and their assistant opens it first, you will get a receipt from the assistant, not from the person you actually wanted to confirm. For sensitive or important messages, a direct reply asking the person to confirm they received and read your email is more reliable.
If you are trying to track whether a client or customer has seen your message, read receipts are not a substitute for a proper tracking system. Some email marketing platforms and CRM tools have their own read tracking built in, which is more reliable than Outlook's read receipts because it does not depend on the recipient's email system cooperating.
Frequently Asked Questions
Can I see if someone declined to send me a read receipt?
No. Outlook does not tell you whether someone declined your request or whether their system blocked it. You straightforward will not receive a receipt. If you need to know for certain whether someone read your email, ask them directly in a follow-up message or phone call.
What if I accidentally sent an email without requesting a read receipt and now I need one?
You cannot add a read receipt request to an email you have already sent. You will need to send a follow-up email with the read receipt request turned on. Keep the follow-up brief — something like "Following up on my previous email about [topic] — please confirm you received it."
Do read receipts work if I send an email to a Gmail account?
Gmail does not support read receipts in the same way Outlook does. If you send a read receipt request to a Gmail user, they will not see a prompt asking whether to send one back. Gmail has its own read status feature, but it only works between Gmail accounts, not with Outlook. For emails to Gmail users, use delivery receipts instead or ask for a reply.
Can I turn off read receipts so people cannot track when I open emails?
Yes. In Outlook on the web, go to Settings, then Mail, then Privacy. Look for the option to never send read receipts and enable it. In Outlook desktop, go to File, Options, Mail, and find the Tracking section. Check the box that says "Never send a read receipt" or "Do not send read receipts." After you save, Outlook will automatically decline all read receipt requests.
Will a read receipt tell me if someone actually read the email or just opened it?
A read receipt only confirms that someone opened the email. It does not tell you whether they actually read it, understood it, or took any action based on it. They could have opened it for one second and then deleted it. For important messages where you need actual confirmation of understanding, follow up with a direct question or request for a reply.