Read receipts in Outlook on the web

To request a read receipt or a delivery receipt for your message:

1. Select  Message at the top of the message compose pane.

2. Select More options from ribbon

3. Select Request a read receipt or Request a delivery receipt, or both.

To choose how Outlook on the web responds to read receipt requests:

1. Select  Settings   > View all Outlook settings.

2. Select Email > Message handling ​​​​​​​

3. Under Read receipts, choose how to respond to requests for read receipts.