Hi @Quinn Tran
Welcome to our forum!
Do you mean accidentally sending an email to someone else by mistake?
To prevent accidental sending of wrong emails in Outlook, you can try to turn off the following possible options to avoid.
- Prevent sending Outlook emails accidentally by disabling hotkeys.
- Prevent sending Outlook emails accidentally by Delay Delivery feature.
- Disable the autocomplete feature to make sure your email address is correct.
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