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Fix PDF Highlights Disappearing in Acrobat Reader Mobile
Question details
Users report that text highlights and annotations made in Adobe Acrobat Reader Mobile vanish when the PDF document is reopened.
- Product
- Adobe Acrobat Reader Mobile
- Device & OS
- Mobile
- Scenario
- Highlighting text and adding annotations to a PDF document on a mobile device.
- Observed behavior
- Highlights disappear after reopening the file, particularly when viewing the document with Liquid Mode enabled or when editing directly from an unsupported cloud storage drive.
Ensure your Acrobat Reader Mobile app is updated to the latest version, as older versions may contain known rendering bugs related to mobile annotations.
Disable Liquid Mode
Liquid Mode dynamically reformats text for smaller screens but can temporarily hide static annotations. Turning it off restores the visibility of your highlights.
Acrobat Reader's Liquid Mode feature is designed to make reading on mobile devices easier by reflowing text. However, it often conflicts with static annotations like highlights, causing them to temporarily disappear from the screen.
Launch the Acrobat Reader Mobile app and open the PDF file containing your highlights.
Look for the water drop icon representing Liquid Mode in the top navigation bar.
Tap the Liquid Mode icon to disable the feature. The page will return to its original fixed layout, and your highlights should immediately reappear.
Move Cloud PDFs to Local Storage
Editing PDFs directly from unsupported cloud locations can cause sync failures resulting in lost annotations.
Manually Save Changes Before Closing
Failing to manually trigger a save before exiting the document can result in unsaved edits being discarded.
Highlight and Annotate PDFs Reliably with WPS Office
Avoid missing annotations and sync issues by using WPS Office. Its robust PDF tool allows you to easily highlight, annotate, and save PDF documents on both mobile and desktop platforms without losing your work.
- 1. Open Your PDF: Launch WPS Office on your mobile device and tap the '+' icon to open your target PDF file.
- 2. Select the Highlight Tool: Navigate to the bottom toolbar, tap 'Annotation' or 'Edit', and select the 'Highlight' tool.
- 3. Apply Highlights: Drag your finger or stylus across the text you wish to emphasize to apply the highlight color.
- 4. Save the Document: Tap the 'Save' disk icon at the top of the screen to securely embed your annotations directly into the PDF file.
Frequently Asked Questions
Why do my PDF highlights disappear on mobile but not on my PC?
Mobile apps like Acrobat Reader often use adaptive viewing modes, such as Liquid Mode, to reflow text for smaller screens. These modes prioritize text readability and often temporarily hide static annotations like highlights. Desktop viewers maintain the fixed PDF layout, so highlights always remain visible.
Does editing a PDF from a cloud drive cause lost highlights?
Yes, if the mobile PDF reader lacks sufficient permissions or a stable connection to sync changes back to a third-party cloud drive, your edits might be discarded when the app closes. Saving a local copy to your device prevents this issue.
How can I recover highlights that were not saved before closing?
Unfortunately, if the PDF was closed without saving and the mobile app did not create an autosave cache, unsaved highlights cannot be recovered. You will need to re-apply the highlights and manually save the file.
Can I permanently flatten highlights so they never disappear?
Yes. Using a desktop PDF editor, you can 'flatten' the document or use the 'Print to PDF' function. This merges all annotations with the base document layer, preventing them from disappearing or being accidentally modified across different PDF viewers.
