.PUB File Extension
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|Category||Page Layout Files|
What is a PUB file?
A PUB file is a document created by Microsoft Publisher, a desktop publishing program used to create professional documents and marketing materials. It contains a page layout and design elements, such as text, shapes, and vector or raster graphics. Users often save brochures, newsletters, flyers, invitations, and posters as PUB files.
Casual and professional designers primarily use Microsoft Publisher to design marketing materials and other documents. The software is only available for Windows as part of the Microsoft 365 subscription service or as a one-time, standalone purchase.
When you save a document in Publisher, the program creates a PUB file to store the document's contents. After saving the PUB file, you can close and re-open the PUB file to continue editing the document at a later time.
NOTE: Besides saving page layouts as PUB files, advanced Publisher users may also create PUB files to integrate and store data sources for mail merges and generating data sheets.
How to open a PUB file
You can open a PUB file with Microsoft Publisher by selecting File → Open... from the program's menu bar, and then navigate to and open your PUB file.
You can also open PUB files with several other desktop publishing applications. For example, you can open PUB files with LibreOffice Draw (included with LibreOffice) and CorelDRA
How to convert a PUB file
Microsoft Publisher can convert PUB files to several file types, including the following formats:
- .PDF - Portable Document Format
- .JPEG - JPEG Image
- .PNG - Portable Network Graphic
- .TIF - Tagged Image File Format
- .EMF - Enhanced Windows Metafile
- .WMF - Windows Metafile
- .BMP - Bitmap Image
- .EPS - Encapsulated PostScript
- .PS - PostScript File
- .DOCX - Microsoft Word Document
- .RTF - Rich Text Format
- .TXT - Plain Text File
- .HTML - Hypertext Markup Language
- .XPS - XML Paper Specification
NOTE: When converting to a DOCX file, the formatting will be preserved, but not the graphics or columns included in the PUB file.
Programs that open or reference PUB files
What is a PUB file?
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 id_rsa.pub. PUB files typically can be found under the ".SSH" hidden directory under the home director of a Linux user.