

Select Options > Request Receipts > Request a Delivery Receipt. Select Options > Request Receipts > Request a Read Receipt. This feature isn't available for accounts, or for IMAP or POP accounts such as Gmail, Yahoo!, or iCloud. Select Tools > Accounts to check your account type. To use this feature, you need a Microsoft 365 work or school account, or an Exchange on-premises account. The choices are: Always send a read receipt. That’s Outlook for Windows, see below about Outlook for Mac.

Supported applications include Outlook for Microsoft 365 and Outlook 2019 for Mac version 15.35 (170610) and later (select Outlook > About Outlook to check your version). The setting is at File Options Mail Tracking, just below where you set the options for outgoing Read Receipts. Read receipts and delivery notifications are available in only some versions of Outlook for Mac, and only when using a Microsoft 365 work or school account, or an Exchange Server account managed by your organization. Outlook for Microsoft 365 for Mac Outlook 2021 for Mac Outlook 2019 for Mac Outlook 2016 for Mac More.
