Moreover, how do you highlight a document on a Mac?
Highlight text
- Press Shift-Command-H on the keyboard.
- Choose Insert > Highlight from the Insert menu at the top of your screen. (The Insert button on the Pages toolbar doesn't have the Highlight command.)
- Click Highlight in the review toolbar at the top of the document.
One may also ask, how do you highlight something on a PDF? Highlight, Underline, and Cross Out Text in PDF Documents
- Select the Highlight Text tool from the Comment & Markup toolbar.
- Drag over the text that you want highlighted. The text is now highlighted.
Furthermore, how do I highlight text in a PDF in Preview?
In the Preview app on your Mac, open the PDF you want to change. Do any of the following: Quickly highlight, underline, or strike through text: Select text, click the down arrow next to the Highlight button , then choose a highlight color, underline, or strikethrough.
Why can't I highlight my PDF?
Most likely because the file is composed of images (possibly scans) and does not contain any "real" text. If you can't select the text with the text selection tool then you can't highlight it, either. Use other markup tools, like the Square tool, instead.