File Extension Library

.PUB File Extension

  • Developer by: Microsoft
  • Category: Page Layout Files
  • Format: Binary

What are .PUB files and how to open them?

Can't open .PUB file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .PUB file.

What is a .PUB file extension?

.PUB file extension is created by Microsoft. .PUB has been classified as Page Layout Files. The format of .PUB file is Binary.

.PUB is Publisher Document

A PUB file is a document created by Microsoft Publisher, a desktop publishing program used to create professional documents and marketing materials. It contains text, raster and vector images, and drawn objects formatted in a document.

PUB file open in Microsoft Publisher 2016

Publisher is used by casual and professional users to design page layouts such as newsletters, brochures, and posters. The program only comes with Office 365 editions of Microsoft Office, whereas the basic editions only include Word, Excel, PowerPoint, and OneNote. When you save a document in Publisher the program creates a PUB file to store the contents of the document. The file enables you to save edits to your document and allows you to close the file and open it again for further editing. PUB files are not only used for page layouts, they may also be used to integrate and store data sources for mail merges and generating data sheets.

If you have a large amount of text in your PUB document that you want to reuse for other purposes you can export it to a .DOCX file for editing in Microsoft Word. The text and font formatting will be saved but any graphics or columns in you document will not be preserved. To save your PUB file as a DOCX file select File → Save As, choose the Word document format you want to save the document as, then click Save.

PUB files can also be opened by several other applications. Some notable ones are LibreOffice Draw, which is packaged in LibreOffice and CorelDRAW, which is part of the CorelDRAW Graphics Suite. PUB files can also be opened in Adobe InDesign, one of the most popular desktop publishing programs, with the PUB2ID plugin installed.

List of all softwares that can open the Publisher Document
Microsoft Publisher 2016
Adobe InDesign with PUB2ID Plugin
CorelDRAW Graphics Suite 2018
Adobe InDesign with PUB2ID Plugin
File Type 2:

Public Key File

Category: Web Files Format: Text

File containing encrypted text that is used in public-key cryptography; used by a remote entity to encrypt data that only a local entity can decrypt using the corresponding private key; may also be used to decrypt data that is encrypted with a private key.

A common PUB file is PUB files typically can be found under the ".SSH" hidden directory under the home director of a Linux user.

List of all softwares that can open the Public Key File

How to fix problems with .PUB files

  1. You need to update the application that you normally use to open .PUB files. Only the latest version of the software supports the current .PUB file format
  2. You need to check the .PUB file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)