After reading pdf files with Adobe Acrobat Reader v.2015.017.20053 files get modified. How to stop that.

  • Does this happen with any PDF, or just with some specific files?
    – Max Wyss
    Aug 28 '16 at 13:39
  • ye, with all... but it was... it f***d me so, that I started to use SumatraPortable and in parallel tweeking Adobe and somehow I stopped, probably when unchecked 'Save Settings / Automatically save ... every...' and now I can't reproduce and feel silly - so do not know - remove question or what...
    – AndriuZ
    Aug 28 '16 at 21:08

How do I stop Adobe Reader modifying files?

  1. Menu "Edit" > "Preferences" (or ctrlk).

  2. In the section "Categories" click "Documents".

  3. In the section "Open Settings" disable (uncheck) "Restore last view settings when reopening documents".

  4. Click OK.

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  • thanks, but not sure how that's related to the problem
    – AndriuZ
    Aug 26 '16 at 13:35
  • When you enable "Restore last view settings when reopening documents" it modifies the pdf file on exit to add a "bookmark" of where you were in the file.
    – DavidPostill
    Aug 26 '16 at 13:41

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