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How do I undo dark mode in Office 365?

John Juzbasich 0 Reputation points
2026-05-19T16:37:19.9533333+00:00

How do I change from the black background in Microsoft 365 to a white like it used to be?

Microsoft 365 and Office | Word | For home | Windows
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  1. DaveM121 888.7K Reputation points Independent Advisor
    2026-05-19T17:12:58.8566667+00:00

    1

    Open Word.

    Go to File - Account.

    Set the Office Theme drop down to Colorful or some other mode but not Black

    2

    Then if the actual document background is black with white text, open a document.

    On the top View menu, click the 'Switch Modes' button to toggle that view off.

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  2. AI answer

    2026-05-19T16:37:32.28+00:00

    To change Office 365 (Microsoft 365 apps on Windows) from a black/dark background back to a white/light one, change the Office Theme:

    1. Open any Microsoft 365 app (for example, Word).
    2. Select File > Options.
    3. On the General page, go to Personalize your copy of Microsoft Office.
    4. Set Office Theme to White (or Colorful if preferred).
    5. Select OK.

    If Windows is in dark mode and Office is following the system, you can also set Office Theme to Use system setting if you want it to track Windows, or keep it on White to stay light regardless of Windows mode.

    Note: The theme you choose applies to all Microsoft 365 desktop apps.


    References:

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