PUB File

What are PUB files and how to open them

Are you having problems opening a PUB file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your PUB files.

What is a PUB file?

PUB files have multiple uses, and Microsoft Publisher Document is one of them. Read more about the other uses further down the page.

Microsoft Publisher Document

This file format is used by the Microsoft Publisher software application, part of the Microsoft Office Professional Suite. The Publisher software is used to create business documents and marketing materials such as posters, flyers, newsletters, banners, and other creatives.

PUB files can contain raster and vector graphics, text, and drawn objects. In addition to creating files for print documents, Publisher can also produce documents for email campaigns and use on the web.

How to open PUB files

We have identified one PUB opener that is compatible with this specific type of PUB file.

Programs that open Microsoft Publisher Document files

Last updated: January 25, 2025

All known file formats using extension .PUB

While Microsoft Publisher Document is a popular type of PUB-file, we know of 10 different uses of the .PUB file extension. Different software may use files with the same extension for different types of data.

ASCII Armored SSL-RSA Public Key

We know that one PUB format is ASCII Armored SSL-RSA Public Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

While we have not verified the apps ourselves yet, our users have suggested ten different PUB openers which you will find listed below.

ClickArt Personal Publisher Document

We know that one PUB format is ClickArt Personal Publisher Document. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

First Choice Publication

We know that one PUB format is First Choice Publication. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

NeoBook Document

We know that one PUB format is NeoBook Document. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

OpenSSL PEM Public Key

We know that one PUB format is OpenSSL PEM Public Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

SSH-DSS Public Key

We know that one PUB format is SSH-DSS Public Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

SSH-ecdsa Public Key

We know that one PUB format is SSH-ecdsa Public Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

SSH-ED25519 Public Key

We know that one PUB format is SSH-ED25519 Public Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

SSH-RSA Public Key

We know that one PUB format is SSH-RSA Public Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of PUB files. Remember, different programs may use PUB files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about PUB file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.