Opening a PDF in Word is a conversion, not simply a different viewing mode. The result may look familiar while using different paragraph, table or note structures. Decide whether you need editable content or a faithful viewing copy before relying on the converted file.

Keep the original PDF and choose a representative section containing the difficult material: perhaps a two-column passage, a table and a footnote. A title page with large isolated text is a weak test of a complex report.

Inspect the reconstructed structure

Microsoft explains that Word makes a copy when converting a PDF and attempts to match its layout. Mostly textual documents tend to convert better. PDF stores page positions without necessarily describing relationships such as table cells or paragraphs, so Word has to infer document objects. A page dominated by graphics may become an image whose text cannot be edited.

Open the PDF through desktop Word for Windows, using its File, Open workflow and read the conversion notice. Save the editable result under a distinct name. Compare the sample section with the untouched PDF before rewriting substantial content.

Select a sentence and inspect whether it behaves as editable text or is part of an image. Examine a table row across all columns, and check whether a note remains associated with the correct sentence. Microsoft identifies several troublesome conversion elements, including some tables, endnotes and footnotes spanning pages.

Test one ordinary edit

In the working copy, add a short temporary sentence near the beginning of the sample. Observe the reading order, table alignment and note placement after the text moves. Then remove the trial. A page that initially resembles the PDF may reveal a fragile reconstruction during normal editing.

Verify numbers, symbols and line endings directly against the source. If rebuilding the structure would take more work than obtaining the original editable document, ask its owner for that source before continuing.

Before issuing a revised version, review the entire converted document and the final output. Preserve the original PDF as the reference for what was supplied. A successful conversion dialog confirms that Word produced a file; it does not certify that every relationship and piece of content survived correctly.

Sources: Microsoft: opening PDFs in Word.