With message recall, a message that you sent is retrieved from the mailboxes of the recipients who haven’t yet opened it. You can also substitute a replacement message. For example, if you forgot to include an attachment, you can try to retract the message, and then send a replacement message that has the attachment. Message recall is available after you click Send and is available only if both you and the recipient have an Office 365 or Microsoft Exchange email account in the same organization. Note: Replacing and recalling messages can only be done through the Outlook client which is the fully installed version, not the version accessed through Office 365 on the web.
In Mail, in the Folder Pane, click Sent Items.
Double-click the message that you want to resend.
On the Message tab, in the Move group, click Actions, and then click Resend This Message.
A new message window opens. If there are multiple recipients, you can remove recipients who don’t need to receive the message again. Click the names that you want to remove, and then press Delete.
To resend multiple messages, repeat these instructions for each message. There isn’t a way to resend multiple messages at one time.
Recall an email message:
Note: Recalling a message can take up to two minutes to process and will only be successful if the following conditions are met:
Double-click the message that you want to recall.
5. Select the appropriate options and click OK. If you check the "Tell me if recall success succeeds or fails..." option, you will receive notification email messages regarding each recipient.
For the most current information on recalling or replacing messages in Outlook, please see the following Microsoft support article: https://support.office.com/en-us/article/Recall-or-replace-an-email-message-that-you-sent-35027F88-D655-4554-B4F8-6C0729A723A0.
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