How to Prevent Adobe Acrobat from Renaming Pages When Combining PDFs
Question details
The user needs to stop Adobe Acrobat from automatically applying the name or label of the preceding page to newly inserted pages when merging PDF files.
- Product
- Adobe Acrobat
- Device & OS
- not provided
- Scenario
- Combining multiple PDF files or inserting new pages into an existing PDF plan set.
- Observed behavior
- Inserted pages incorrectly inherit the name, page label, or bookmark of the preceding page instead of keeping their original names.
Check exactly where the incorrect names are appearing in your PDF document. Note whether they are showing up as page labels in the thumbnail pane, PDF bookmarks in the navigation panel, or text within fillable form fields.
Correct Page Labels in the Thumbnail Pane
Adjust page label settings if Acrobat is auto-numbering or renaming thumbnails based on the previous document section.
Acrobat uses 'Logical Page Numbers' to assign custom labels to pages. When you insert a new document into an existing one, the inserted pages sometimes continue the labeling sequence of the section they are placed into.
Click the Page Thumbnails icon on the left navigation pane in Adobe Acrobat to view all pages.
Highlight the inserted pages that were renamed incorrectly by holding Shift and clicking the first and last page of the group.
Right-click the selected thumbnails and choose 'Page Labels' from the context menu.
Select 'Begin new section' and choose the correct numbering style or prefix to override the inherited name, then click 'OK'.
Flatten or Rename Form Fields Before Combining
If the renamed text appears inside the document pages themselves, it is likely caused by duplicated form field names.
Combine PDFs Cleanly with WPS Office
Avoid frustrating page labeling and bookmark conflicts by using the WPS PDF tool. WPS Office provides an intuitive and reliable way to merge, split, and organize PDF pages without unexpected metadata or form field changes.
- 1. Open WPS PDF: Launch WPS Office on your computer and open the PDF toolkit.
- 2. Select Merge PDF: Click on 'Merge PDF' from the main dashboard or navigate to the 'Page' tab within an open document.
- 3. Add Your Files: Drag and drop the PDF files you want to combine into the dialog box, or click 'Add Files' to browse your storage.
- 4. Merge and Save: Arrange the file order by dragging them into place, configure your output settings, and click 'Merge'. Your new document will preserve its original formatting cleanly.

Frequently Asked Questions
Why do my PDF bookmarks change or disappear when inserting pages?
When merging PDFs, Acrobat may attempt to nest or merge bookmarks from the inserted document into the existing structure. If the hierarchy conflicts, they might display incorrectly. You can manually adjust, rename, or delete incorrect bookmarks in the Bookmarks navigation panel.
Can I prevent Acrobat from carrying over form data when combining files?
Yes. Form fields with the exact same name will share the same data in Acrobat. To prevent this, you must either rename the form fields in each document so they are unique before merging, or flatten the documents so the fields become static, non-editable text.
How do I turn off logical page numbers in Adobe Acrobat?
Go to Edit > Preferences (or Acrobat > Preferences on Mac). Select 'Page Display' under the Categories menu. In the 'Page Content and Information' section, uncheck 'Use logical page numbers'. This forces Acrobat to use standard 1, 2, 3 sequential numbering instead of custom page labels.




