Nitro PDF Professional: Create and change PDFs with the original Acrobat alternative.
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Combine comments from multiple PDF files


Nitro PDF Professional lets you take all comments from a PDF document and insert them into another PDF document. This is particularly useful when you receive feedback from multiple participants and each person has added their comments to a separate copy of the same document. It's simply a matter of exporting all comments from each document and then importing them into the one version of the document.

To export all comments from a PDF:

  1. On the Review tab, in the Review group, click Migrate Nitro PDF icon.
  2. Click Export Comments.

To import comments into a PDF:

  1. On the Review tab, in the Review group, click Migrate Nitro PDF icon.
  2. Click Import Comments.
  3. Select the same file that contains different comments in it.

Related info: Nitro Pro Features

Annotate & highlight PDF
Edit PDF
Combine PDF files