Spotting a misspelt word just after you press Send in Outlook is a frustration we all have experienced. Microsoft now plans to reduce that risk with an automatic spell check before sending in new Outlook, according to the announcement in MC1479509.
New Outlook already uses Microsoft Editor to underline mistakes while you type and group spelling, grammar and style suggestions in its Editor pane, as Microsoft’s current spell-check guidance explains. The bit that was missing is a setting that checks each message at the point of sending. Today, you have to notice the highlighted issue, open the Editor yourself or remember to proofread before the message leaves. Obviously this isn’t too much of an ask, and is good practice, but as actions become more autonomous with Copilot & Cowork, this option adds an extra layer of review.
A small setting with high value
For me, this change is bigger than it looks. I have ADD, and having to remember one final manual check after writing an email is exactly the sort of step I can skip without meaning to. Tying the check to the Send button puts the reminder where I need it, bringing it back into focus for me.
It also closes a gap that can lead organisations to depend on third-party writing tools such as Grammarly. Grammarly does much more than catch typos, but if that final check is all a user needs, you can avoid deploying, maintaining and paying for another writing tool.
Rollout and current documentation
The user-controlled option will appear in new Outlook for Windows and Outlook on the web. Targeted Release begins in mid-October 2026 and should finish by late October. Worldwide general availability starts in mid-November and should complete in early December, while GCC, GCC High and DoD rollout should finish by mid-December. Microsoft says administrators do not need to take any action.
Microsoft’s guidance includes screenshots of the existing Editor pane and settings. It does not yet show the new send-time option, and Microsoft have not published its exact settings path or the review shown when Outlook finds a mistake.
Put the feature on your support team’s radar and update your user guidance when Microsoft documents the new control. If you deploy a third-party product only to catch spelling mistakes before Send, test Outlook’s native option before renewing it.
