On Ubuntu 16.04 and a program I'm trying to install downloaded a bunch of 'par2' files. Archive manager doesn't seem to recognize them. What application should I use to open these?

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  • Could they be part of a rar multivolume archive? See here. – Jos Jun 9 '16 at 20:16
  • I read it wrong it was par2 – Philip Kirkbride Jun 9 '16 at 20:27
  • I'm wondering if those files are designed to be used by the qt-opensource-linux-x64-5.6.1.run file to verify the integrity of downloaded files, not to be opened manually by the user... can you share what the output of the .run file was? – Nick Weinberg Jun 9 '16 at 22:04
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    There is a par2 package in the Ubuntu software repository, but it's designed for file verification, not extracting archives. – Nick Weinberg Jun 9 '16 at 22:06

par and par2 files were more common in the days when Usenet was a little more popular and the parchive was intended to increase the reliability of transferring files via newsgroups.

Under Xenial Xerus you can use these files with pypar2:

sudo apt-get install pypar2

This give a basic gui from which to manipulate the files:

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Further Reading:

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  • pypar2 is no longer in apt repo? – Thufir Dec 29 '18 at 15:52
  • @Thufir Last seen in Xenial unfortunately... – andrew.46 Dec 29 '18 at 21:58

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