What is the File Extension for Microsoft Publisher?

Last Updated: Feb 7, 2024 by

Microsoft Publisher is a popular desktop publishing software used for creating various types of documents, such as brochures, flyers, and newsletters. It is a part of the Microsoft Office suite and is commonly used by businesses, organizations, and individuals for creating professional-looking publications. However, many people may not be familiar with the file extension used by Microsoft Publisher. In this article, we will explore the file extension for Microsoft Publisher and its uses.

What is a File Extension?

Before we dive into the specific file extension for Microsoft Publisher, let’s first understand what a file extension is. A file extension is a set of characters that appear at the end of a file name, separated by a period. It is used to identify the type of file and the program that can open it. For example, a file with the extension “.docx” is a Microsoft Word document, and it can only be opened by a program that supports the .docx file format.

File Extension for Microsoft Publisher

The file extension for Microsoft Publisher is “.pub”. This extension is used for all documents created in Microsoft Publisher, including brochures, flyers, and newsletters. When you save a document in Microsoft Publisher, it will automatically add the .pub extension to the file name. For example, if you save a brochure as “mybrochure”, the full file name will be “mybrochure.pub”.

Uses of the .pub File Extension

The .pub file extension is used for all documents created in Microsoft Publisher. This includes both the latest versions of the software, such as Microsoft Publisher 2019, as well as older versions like Microsoft Publisher 2016 and 2013. The .pub extension is also used for templates and other files created in Microsoft Publisher.

Opening .pub Files

To open a .pub file, you will need to have Microsoft Publisher installed on your computer. If you do not have the software, you can download it as part of the Microsoft Office suite or purchase it separately. Once you have the software, you can simply double-click on the .pub file, and it will open in Microsoft Publisher. You can also open the software first and then navigate to the .pub file using the “Open” option in the File menu.

Converting .pub Files

If you need to share a .pub file with someone who does not have Microsoft Publisher, you can convert it to a different file format. Microsoft Publisher allows you to save your document in various formats, including PDF, HTML, and JPEG. This can be done by selecting the “Save As” option in the File menu and choosing the desired file format.


In conclusion, the file extension for Microsoft Publisher is .pub. This extension is used for all documents created in the software and can be opened and converted using Microsoft Publisher. Knowing the file extension for Microsoft Publisher can be helpful when sharing documents or troubleshooting any issues with the software.

Gulrukh Ch

About the Author: Gulrukh Ch

Gulrukh Chaudhary, an accomplished digital marketer and technology writer with a passion for exploring the frontiers of innovation. Armed with a Master's degree in Information Technology, Gulrukh seamlessly blends her technical prowess with her creative flair, resulting in captivating insights into the world of emerging technologies. Discover more about her on her LinkedIn profile.