Office for Mac Issues

How to Fix Option+Delete Shortcut in Outlook and Excel for Mac

Khadija KhanKhadija Khan Oct 26, 2026 869 views

Question details

Users need to restore the standard macOS Option+Delete word deletion shortcut in Outlook on the web and Excel for Mac.

How to Restore the Option-Delete Shortcut in Outlook and Excel for Mac
Product
Outlook on the web, Excel for Mac
Device & OS
macOS
Scenario
Typing and editing text within the Outlook web application or Microsoft Excel on a Mac.
Observed behavior
The Option+Delete keyboard shortcut incorrectly performs the Undo action instead of deleting the word to the left of the text cursor.
Before you start

Before proceeding, check if your macOS is up to date and test whether the Option+Delete shortcut behaves incorrectly across all your web browsers or only when accessing specific Office web apps.

Solution 1Recommended

Submit Feedback to Restore the Shortcut in Outlook on the Web

Because Outlook on the web currently lacks a direct user setting to override this specific keyboard shortcut change, submitting feedback to Microsoft is the primary method to push for a restoration of the native Mac behavior.

Recent updates to the web version of Outlook have remapped the standard Mac Option+Delete shortcut to trigger Undo. Since web applications handle keystrokes differently than desktop apps, a local fix is not always possible without an official patch.

1
Access the help menu

Log into your Outlook on the web account and locate the question-mark icon (Help) in the top right corner of the navigation bar.

2
Open the feedback form

Click on the question-mark icon, scroll down if necessary, and select 'Feedback' from the dropdown panel.

3
Select your feedback category

Choose the option labeled 'I do not like something' to report the broken functionality.

4
Describe the shortcut issue

In the text box, explain clearly that 'Option + Delete on Mac now performs Undo instead of deleting the word to the left of the insertion point,' and click submit.

Submit Feedback to Restore the Shortcut in Outlook on the Web
Wait for Microsoft Updates: Feedback is reviewed directly by the product team. While this does not provide an immediate fix, high volumes of similar reports typically prompt developers to revert unpopular changes.
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Frequently Asked Questions

Why does Option+Delete trigger Undo in Outlook on the web?

Recent updates to the Outlook web application have mapped the Option+Delete key combination to the Undo command, overriding the native macOS behavior that normally deletes the preceding word. This is a web app specific change made by Microsoft.

Can I change the Option+Delete shortcut back in Outlook web?

Currently, Outlook on the web does not offer a native settings menu to remap system-wide keyboard shortcuts. Users must submit feedback to Microsoft using the Help icon to request the restoration of this standard Mac shortcut.

Are there alternative shortcuts for deleting a word on Mac?

While Option+Delete is the standard shortcut, some users find success using Control+W or Shift+Option+Left Arrow followed by Delete to remove the word before the cursor, though compatibility can vary depending on the specific web application.

Does this shortcut issue affect the desktop version of Outlook for Mac?

This specific problem is primarily reported by users utilizing Outlook on the web. The native desktop version of Outlook for Mac generally respects standard macOS keyboard shortcuts without redirecting them to Undo.