Recall or Replace a Sent Email in Outlook (and Its Limits)

Recall pulls back a message you already sent — or replaces it with a corrected one — but only under narrow conditions, so set your expectations before you try.

Check which recall service you use. In Exchange Online, cloud-based recall works within the same organization and can recall read messages when the tenant permits it (enabled by default). It can be initiated from supported classic/new Outlook, web, Mac and mobile clients. Recall across organizations requires the receiving Exchange Online organization to enable cross-tenant recall and allow your organization; it is disabled by default. Gmail and personal Outlook.com accounts are not supported. Legacy/on-premises Exchange recall has different unread-message and client restrictions.

Step 1: Open the sent message

1. In classic Outlook, click the Sent Items folder.
2. Double-click the message to open it in its own window. Just selecting it in the reading pane won’t work — recall is only available on an opened message.

Step 2: Recall or replace it

1. With the message open, go to the Message tab → Actions → Recall This Message. (On newer builds the path is File → Info → Resend or Recall → Recall This Message.)
2. Choose one:
   • Delete unread copies of this message — requests recall; classic wording says “unread,” but Exchange Online cloud recall follows the tenant’s read-message policy.
   • Delete unread copies and replace with a new message — requests recall and lets you send a corrected message. Check the recall result rather than assuming everyone lost the original.
3. Tick Tell me if recall succeeds or fails for each recipient, then select OK.

Step 3: Read the Message Recall Report

For Exchange Online cloud recall, open the Message Recall Report email and its report link to check each recipient’s succeeded, pending, or failed result. An already-read message or a move to another mailbox folder does not automatically defeat cloud recall. Legacy recall may return different notifications.

FAQ

Can I recall a message sent to Gmail or a personal Outlook.com address? No. Those services do not support Exchange Online recall, so the original remains available to the recipient.

Can I recall a message sent to another company? Only when both mailboxes are in Exchange Online and the receiving organization has enabled cross-tenant message recall and allowed your organization’s tenant. This is an opt-in setting controlled by the recipient’s organization. Check the recall report to confirm the outcome.

Why did my recall fail even within my company? Check the report and ask IT whether both mailboxes are in Exchange Online and cloud recall/read-message recall is enabled. Hybrid/on-premises mailboxes and other documented service limits can differ. Web/mobile use and read status alone are not proof of failure under cloud recall.

Is there an “undo send” instead? Outlook on the web and new Outlook have a brief Undo window after sending; classic desktop relies on recall (or a delayed-send rule you set up in advance).

Sources: Microsoft Support — Recall or replace a sent email in Outlook

Additional sources: Microsoft — cloud-based message recall