Change default highlight format in preview

high sierrapdfpreview

To highlight text in pdf files, I select the text and hit the highlight button:

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The default was yellow highlight. Somehow, it got changed to a red underline. How can I change this back to yellow highlight again?

Best Answer

The Preview help mentions:

Use highlight mode: Click the Highlight button (so it turns blue), click the down arrow next to the Highlight button, then choose a highlight color, underline, or strikethrough. Now, whenever you select some text, the highlighting style you chose is automatically applied to the text.

So de-select any text in an open PDF. Click the Highlight button - nothing should be highlighted additionally in your PDF now - click the down arrow and choose a color or strikethrough.

You can also determine several different highlight colors in a single PDF with this method (here yellow, pink and underline):

PDF with different highlight colors

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