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How to Fix PDF Annotations and Underlines Missing on Another Device
Question details
Annotations, marks, and underlines added to a PDF disappear when the user opens the file on a different mobile device.
- Product
- Acrobat Reader
- Device & OS
- Android
- Scenario
- Accessing an annotated PDF document on a secondary device after making edits and saving on the primary device.
- Observed behavior
- The PDF opens successfully on the second device, but all previously added annotations, underlines, and marks are completely missing.
Open the affected PDF on your original device to confirm that the annotations and underlines are still visible and were properly applied to the document.
Verify File Saving and Cloud Sync Status
Ensure that the document was properly saved with annotations embedded before being transferred or synced to the cloud.
Open the PDF reader app on the device where you created the annotations to verify if the highlights and underlines are still intact.
If using a cloud storage service, trigger a manual sync or refresh the file list to ensure the latest version containing your annotations is fully uploaded.
Use the 'Save As' or 'Save a Copy' feature to save a new version of the PDF directly to your device's internal storage, which forces the app to embed the annotations into the file.
Update App and Verify Version Compatibility
Mismatched app versions between your devices can cause rendering issues with newer annotation formats.
Reliably Sync and Annotate PDFs Across Devices with WPS Office
Avoid missing highlights and lost edits. WPS Office provides professional PDF annotation tools with seamless WPS Cloud synchronization, ensuring your marks, underlines, and comments appear perfectly on any device, whether you are using Android, iOS, Windows, or Mac.
- 1. Open Your PDF: Launch WPS Office on your primary device and open your PDF file from your local storage or WPS Cloud.
- 2. Add Annotations: Tap the 'Edit' or 'Annotation' tab to highlight text, draw underlines, and insert text boxes.
- 3. Enable Cloud Sync: Save the document directly to WPS Cloud. Your edits will automatically synchronize to your WPS account.
- 4. Access Anywhere: Log into the same WPS account on your second device to view and continue editing all your annotations instantly.
Frequently Asked Questions
Why do my PDF annotations disappear when I email the file?
This usually happens because the annotations were added as a dynamic layer and not flattened into the document. Look for a 'Flatten Annotations' or 'Print to PDF' option before attaching the file to an email to permanently embed the edits.
Are PDF highlights and underlines compatible between different PDF apps?
Most standard text annotations like highlights and underlines are universally compatible. However, proprietary features or custom drawing tools used in specific mobile apps might not display properly in other PDF readers unless the document is flattened.
How can I recover missing annotations in a PDF?
If your annotations didn't sync, return to the original device where they were created. If they are still visible there, use the 'Save As' function to create a new copy of the file with the edits properly embedded, then transfer the new file.
Does my Android OS version affect how PDF annotations display?
The Android OS version itself rarely affects the rendering of PDF annotations. However, an outdated OS might prevent you from installing the latest version of your PDF reader app, which can lead to unresolved rendering bugs or sync failures.
