Strikethrough line color bug with black theme

Question

Strikethrough line color bug with black theme

Seb 45

Word LTSC Professional Plus 2024 / version 2408 / Build 17932.20742

If the theme is set to black, the color of the strikethrough line can change randomly :

Screenshot 2026-04-30 144238

Screenshot 2026-04-30 143640

(the only thing that changed between these two screenshots is the theme color)

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Answer accepted by question author

Alina Le 1,855 Independent Advisor

Hello @Seb

In this case, you can check Font/Strikethrough Color Formatting:

Select the Affected Text: Highlight the specific words or lines where the strikethrough color is appearing incorrectly.
Open the Font Dialog Box: Press Ctrl + D on your keyboard (or click the small arrow icon in the bottom-right corner of the Font group on the Home tab).
Check Strikethrough Settings: * In the Font dialog box, look for the Strikethrough or Double strikethrough checkboxes.
If you are using Advanced formatting or a specific Style, check if the color is set to "Automatic."
Manually Re-assign the Color: To rule out the "Automatic" color index failing to map correctly to the Black theme, manually select Black from the Font color dropdown menu within the same dialog box, or ensure the strikethrough line itself is explicitly set to a solid color rather than "Automatic."
Click OK to apply the changes.

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Seb 45 Reputation points

2026-04-30T14:58:14.7066667+00:00

Hi Alina Le,

Thanks for your help.

Strangely, it worked for the first part of sentence I applied your method, but not the other ones :

Cheers !

Seb

Edit : It actually works everywhere but on this one line ^^

Edit2 : Rewrote the line, everything ok. Thanks !
Alina Le 1,855 Reputation points Independent Advisor

2026-05-02T07:29:32.7333333+00:00

Good day @Seb

Thank you very much for your update.

If you still have other concerns while experiencing Office 365 apps, please feel free to come back to this forum again for helpful advice!

1 additional answer

Your answer

Seb 45 Reputation points

2026-04-30T14:58:14.7066667+00:00

Hi Alina Le,

Thanks for your help.

Strangely, it worked for the first part of sentence I applied your method, but not the other ones :

Cheers !

Seb

Edit : It actually works everywhere but on this one line ^^

Edit2 : Rewrote the line, everything ok. Thanks !
Alina Le 1,855 Reputation points Independent Advisor

2026-05-02T07:29:32.7333333+00:00

Good day @Seb

Thank you very much for your update.

If you still have other concerns while experiencing Office 365 apps, please feel free to come back to this forum again for helpful advice!

Answer 1

Charles Kenyon 167.2K Volunteer Moderator

You have the strikethrough font color set to Black, rather than Automatic.
This is not controlled by any user input known to me.

Is this for all documents or just one?

Have you altered the underline color setting?

What happens in a new document if you start Word in safe mode?
https://support.office.com/article/dedf944a-5f4b-4afb-a453-528af4f7ac72

Seb 45 Reputation points

2026-04-30T17:22:31.3666667+00:00

To my knowledge there's no settings for the strikethrough color. Only the underline.

Alina Le's method worked for most of the line. I rewrote the one that's buggy and now everything is fine.

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Strikethrough line color bug with black theme

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