Bookmarks are used to provide another means of navigation through a PDF. Ideally, the heading levels and the bookmarks should match.
Generating Bookmarks
To generate bookmarks based on heading levels, follow these steps:
- Remediate the document, being sure that heading level tags are used correctly.
- Navigate to the Bookmarks panel.
- In the web-based version, use the Tab key or the mouse to navigate to the Bookmarks button.

- In the desktop version, navigate to the Windows tab and choose Bookmarks or use the Active Tools Window. (Refer to this article for more on the Active Tools Window.)

- In the web-based version, use the Tab key or the mouse to navigate to the Bookmarks button.
- If there are already bookmarks present, right-click on “Bookmarks” (or otherwise open the context menu) and choose Delete (or, select "Bookmarks" and use the Delete key on your keyboard. If there are not bookmarks already present, proceed to the next step.

- Right-click (open the context menu) on "Bookmarks" again (if needed) and choose "Regenerate bookmarks."

- When generated, the list of bookmarks will be closed. Double click on “Bookmarks” (or use the right-arrow key) to open them and verify the nested bookmarks inside. In the screenshot below, the bookmark for the Heading 1 (Retail Pharmacies) is open to show the H2 bookmarks – Adams, Bedford, and Berks. Likewise, the bookmark for Adams is open showing the H3 level bookmarks (Biglerville, East Berlin, Fairfield, etc.).

Bookmark Settings
CommonLook's default setting for bookmarks is to generate them up to heading level 4. If you want to change this (to generate more or fewer bookmarks), you can adjust this in the User Preferences from the Ribbon in the Settings tab.
In the desktop version:
- Navigate to the Settings tab in CommonLook PDF. (Use the tab in the toolbar, the Alt key, or the Active Tools Window. Read this article for more information about navigating your way around CommonLook.)
- Choose User Preferences.

- In the User Preferences dialog box, navigate to the dropdown menu for "Generate bookmarks up to heading level:" and make the necessary selection.

- Hit "OK."
In the web-based version:
- Navigate to the "hamburger" menu at the upper left of the screen and expand it,
- Navigate to "Settings,"
- Select "Preferences."

- Expand the dropdown menu next to "Generate bookmarks up to heading level" and choose your desired heading level (or "A" for "all").

- Use "Save Changes" when done.
Headings, Bookmarks, and Verification
When running your verification, if the Headings and the Bookmarks are not the same, you'll get a message telling you that the Headings and the Bookmarks don't match. Here are some possible options to address this:
- Navigate to the Bookmarks panel, delete the bookmarks that are there, regenerate them, and then run an Incremental verification to see if that fixed it.
- Navigate to the Settings, adjust the bookmark creation level so that the bookmarks will be created up to your highest heading level used in the document, and run an Incremental verification.
- If you know that the headings and bookmarks should not match, if, for example, your organization only uses bookmarks up to H2 or H3 but your document goes to H5, then use Edit Checkpoint Status, change the Status to "Passed," and (optional, but suggested), enter a comment indicating that it's an organizational decision to only use bookmarks to heading level "X" ("X" being the heading number).
Didn't find what you're looking for? Navigate to our "General Software Functionality" section for more related articles that may help!
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