Acrobat Reader DC long file path As an organization, we are using Windows 10 with the "LongPathsEnabled" registry entry set to 1, as posted here: Enable Long Paths in Windows 10, Version 1607, and Later This has helped us with moving long pathed files and opening them in Microsoft Office programs. However, Adobe Acrobat DC (and Acrobat Reader DC) still cannot open files with paths longer than 255 characters. We have tested this in multiple scenarios and have found that Acrobat has this problem with any long file path. The file simply won't open or opens a blank document. If you copy the document to a short path, it opens flawlessly. I have found several similar threads here , here and here . All mention it's a file path limitation of Windows. That is simply no longer the case. As seen in the top link, Windows 10 now supports file paths up to 32,767 characters. As linked in this thread here , user avn1 has correctly deduced that Adobe has not u
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