PDF: Table borders not showing

June 27, 2014

In the past few days, I’ve had several calls or emails from work colleagues about some table border lines not displaying in a PDF created from a Word document. This only happens on some tables, not all, and only for some horizontal borders, not all. I recall this issue from many years ago, and searching Google (see the links below) shows that it’s been around since at least 2004!


  • The table in Word still has all its borders.
  • The same table in the PDF is missing one or more horizontal borders – perhaps the top border of the table, or the bottom border where the table breaks across the page to the next page.

Invariably, it’s not Word that’s at fault here, but the PDF and how it displays. You can prove this by:

  • printing the PDF page the table is on – it usually prints fine, with all borders intact
  • zooming in on the PDF (e.g. 400% or more) – you’ll see the border, proving that it’s there.

I tried some of the simpler suggested solutions in those links and found one that worked, and that has now worked for those people who contacted me.

NOTE: If you have both Adobe Reader and Adobe Acrobat X (Standard or Pro) installed, you’ll have to do these steps in BOTH software applications – search for ‘Adobe’ on your Start button to find out which one(s) you have installed.

  1. Open Adobe Reader and/or Acrobat X Standard/Pro.
  2. Go to Edit > Preferences.
  3. Select Page Display on the left.
  4. Clear the check box for Enhance thin lines (it’s checked by default – you have to turn it off).
  5. Save your settings.
  6. Now view the PDF – the missing table borders should now display.



Articles that discuss this table border issue in PDFs:

[Links last checked June 2014]


  1. We’ve recently seen something similar, and it was a case of the Mac Preview app not showing thin lines, but they were visible if you used Reader on the Mac or printed it out

  2. Ronda,

    I’ve noticed the same thing, but mainly with image borders. It’s normally the top one that does not show. My solution was to increase the thickness of the border lines in Word.

    Thank you for sharing your tip. Must try it.

  3. This worked for my problem where table borders were rendered in two different sizes. De-selecting now shows them all as they should be. Thanks!

  4. That’s fine for my display; how does it help for folks at the other end, who only have Adobe Reader?

  5. Thank you! I have been trying to figure this one out for ages!

  6. THANK YOU….!

  7. Have not tried changing settings in PDF, but have found a workaround in the source document (before rendering to PDF) by setting TOP and BOTTOM cell margins to 0 in the Word source document. Then the document renders correctly in PDF. (It doesn’t seem to care about the LEFT and RIGHT cell margins for what reason, but it does care about TOP and BOTTOM cell margins.) To find where to set cell margins, select your entire table, and from the ribbon, go to Table Tools > Layout tab > Alignment group > Cell margins icon. Make adjustments there. (You can also get to this same place via Table Properties > Options.)

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