Office Settings & Configuration

How to Distinguish Grammar Underlines from Hyperlinks in Word Online

Huda QurayshiHuda Qurayshi Oct 29, 2026 870 views

Question details

The user finds it difficult to visually distinguish between the blue underlining used for grammar suggestions and the blue underlining used for hyperlinks in Word Online.

How to Distinguish Grammar Underlines from Hyperlinks in Word Online
Product
Word Online
Device & OS
not provided
Scenario
Reviewing and editing a document online where both hyperlinks and grammatical errors are present.
Observed behavior
Grammar suggestions and hyperlinks both display with similar blue underlining, causing accessibility and usability confusion due to a lack of customization options.
Before you start

Ensure you are viewing your document at a comfortable screen brightness and zoom level, as subtle visual differences in formatting are much easier to spot when magnified.

Solution 1Recommended

Identify Visual Differences and Apply Temporary Workarounds

Since Word Online does not currently allow users to change default underline colors, learning the subtle differences or adjusting your browser view is the best immediate approach.

While they look similar at a glance, Microsoft uses slightly different line styles for these two features. Because rewriting the application's CSS is not an option for end-users, relying on browser tools and built-in editor toggles can mitigate the confusion.

1
Look for a double underline

Observe the text closely. Hyperlinks traditionally use a single blue underline. Grammar and style suggestions generated by the editor typically use a double underline and may appear in a slightly darker shade of blue.

2
Increase your browser zoom

Click the magnifying glass icon in your browser's address bar or press 'Ctrl' and '+' (Command and '+' on Mac) to zoom in on the page. Enlarging the text makes the distinction between single and double underlines much more visible.

3
Disable grammar checking temporarily

If the visual clutter is too distracting, go to the 'Editor' pane on the Home ribbon and toggle off grammar checking. This leaves only your hyperlinks underlined in blue, though it removes real-time grammar assistance.

Identify Visual Differences and Apply Temporary Workarounds
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Frequently Asked Questions

Can I change the hyperlink color in Word Online?

No, Word Online currently lacks the built-in settings to customize hyperlink colors or grammar underline styles. Users are restricted to the default CSS styling provided by the web application.

What does a double blue underline mean in a Word document?

A double blue underline typically indicates a grammatical error, formatting inconsistency, or stylistic suggestion flagged by the Microsoft Editor, whereas standard hyperlinks use a single blue underline.

How do I turn off grammar checking in Word Online?

You can turn off grammar checking by clicking on the 'Editor' icon in the Home tab of the ribbon. From there, access the settings and disable grammar corrections to remove the double blue underlines.