How to Fix Missing or Jumbled Text After Merging PDFs in Acrobat
Question details
Users experience disappearing or jumbled text after merging and saving PDF files in Adobe Acrobat.

- Product
- Adobe Acrobat
- Device & OS
- not provided
- Scenario
- Merging multiple PDF files into a single document.
- Observed behavior
- Letters and words disappear or become scrambled upon saving the merged PDF, often due to font corruption, problematic source files, or software glitches.
Ensure you have the original, unmerged source PDFs available, as you may need to recreate the merged document from scratch to resolve deep-seated file or font corruption.
Recreate the Merged PDF and Update Acrobat
Starting fresh with original files and an updated version of Acrobat often clears temporary glitches and font conflicts.
Repeatedly editing or saving the same merged document can compound errors. Recreating the file ensures a clean slate.
Open Adobe Acrobat, navigate to the Help menu at the top, and select 'Check for Updates' to ensure you are running the latest version.
Close the corrupted document. Go to Tools > Combine Files and select your original, unmodified source PDFs.
Once combined, go to File > Save As and give the document a completely new name rather than overwriting an existing file.

Verify Font Embedding in Source PDFs
Missing or jumbled text is frequently caused by fonts that were not properly embedded in the original PDF documents.
Flatten the Document using Print to PDF
Flattening the PDF can resolve formatting and rendering issues by stripping away hidden layers and complex font dependencies.
Merge PDFs Seamlessly Without Text Errors Using WPS Office
Avoid frustrating text rendering and font corruption issues by using WPS Office's built-in PDF tools to merge your documents quickly and accurately.
- 1. Open PDF Tools: Launch WPS Office and click on the 'PDF' tab on the main dashboard.
- 2. Select Merge PDF: Click on 'Merge PDF' from the available PDF processing options.
- 3. Add Files: Click 'Add Files' to import all the source PDF documents you wish to combine.
- 4. Merge and Save: Arrange the files in your desired order and click 'Merge' to generate a flawless combined PDF without text corruption.

Frequently Asked Questions
Why does text turn into weird symbols after combining PDFs?
This usually happens due to font conflicts or unembedded fonts in the source files. When merged, the PDF reader substitutes the missing fonts with default ones, which can result in jumbled or symbol-like text.
Can I recover the missing text from the corrupted merged PDF?
If the text is fundamentally corrupted in the saved merged file, it cannot be easily recovered. It is highly recommended to merge the document again using the original source files.
Does updating Adobe Acrobat fix PDF merging errors?
Yes, updating to the latest version of Acrobat can fix known bugs related to the PDF merging engine, font rendering conflicts, and background memory management.




