The file SumatraPDF-settings.txt has an option to change the PageSpacing in the FixedPageUI configuration, it accept values ranging from 0 to (very high number). The question is, if possible, how to set a value less than zero.

  • Please add a sentence to your question, what you expect from a negative value -- thanks!
    – Keks Dose
    Commented Jun 1, 2015 at 13:18
  • 1
    I was expecting to overlap pages in dual page view
    – Albert o
    Commented Jun 1, 2015 at 13:58
  • If anyone can close this question, is welcome to do it
    – Albert o
    Commented Jun 1, 2015 at 13:59

1 Answer 1


Click on the top left icon which gives access to menus, and select Settings->Advanced Options. Notepad will open SumatraPDF-settings.txt:

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I tested: you can use negative values.

  • Ok, I've got it, It works know, I was using low values so I didn't appreciate the changes, thanks for your answer
    – Albert o
    Commented Jun 1, 2015 at 13:37

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