How to open PUB file extension?

The author of advice: Mr Brankiewicz

PUB files are incessantly popular. However, a file name containing PUB file extension is problematic for some of the users. They have problems with correct opening of a file with PUB extension. However, it should be remembered that PUB file extension can match one or more types of files. The most popular is Microsoft Publisher Document Format but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning PUB files and search for its solution.

A list of programs supporting files types with PUB extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • Microsoft Publisher Document Format

    .pub file extension

    Category: Document Files

    OS Software
    Windows Microsoft Publisher 2010 Microsoft Publisher 2010
    Adobe InDesign CS5 with PUB2ID Plugin Adobe InDesign CS5 with PUB2ID Plugin
    MAC OS Adobe InDesign CS5 with PUB2ID Plugin Adobe InDesign CS5 with PUB2ID Plugin
  • PGP Public Key Format

    .pub file extension

    Category: Internet Files

    OS Software
    Windows PuTTYgen PuTTYgen
    VanDyke SecureCRT VanDyke SecureCRT
    MAC OS ssh-keygen ssh-keygen
    Linux ssh-keygen ssh-keygen

How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from PUB files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning PUB extension of files?

The problem that often causes damage concerning PUB extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the PUB file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports PUB file extension
  • PUB file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with PUB files


If PUB file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a PUB file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open PUB file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing PUB in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit PUB format (You can also try to find more informations on FileInfo). It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a PUB file? [ Add information about a PUB file ]

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