.PUB File Extension Description:

File extension PUB is a publisher document that falls in the category of data files. This Microsoft publisher file can be used in the creation of various publication types such as flyers, newsletters, postcards, brochures and newsletters.

This file format is also used in creating e-mail and website publication formats containing raster or vector graphics and text. To open this file on a Mac operating system, users require to install Adobe InDesign having PUB21D Plugins in their systems. With this file format, users can create, share and even personalize a broad range of marketing and publication materials.

Learn more about .pub files here: http://pub.file-extension-library.com/