SPDESIGNNOPUB file: How to open? The best software for opening spdesignnopub files

Q: How to open spdesignnopub file?

Open a .spdesignnopub file with Office SharePoint Designer on Microsoft Windows. Install a compatible release, then use the program's Open command or set it as the default application for the extension.The file may not be meaningful in a general-purpose HTML editor or text editor. If SharePoint Designer cannot open it directly, access it through the SharePoint site or design work with which it is associated.

Q: How to convert spdesignnopub file?

Because the .spdesignnopub format contains application-specific data rather than a standard document format, it may not be possible to convert it independently.To preserve usable SharePoint content, open the associated work in Office SharePoint Designer and use the program's site-management or publishing features. This transfers the related site content but does not convert the file itself.

SPDESIGNNOPUB

SharePoint Designer file

File type: Various data file

The .spdesignnopub file extension identifies a SharePoint Designer file used by Microsoft's Office SharePoint Designer.

Office SharePoint Designer is a specialized Windows HTML editor and web design program for creating and modifying Microsoft SharePoint sites and web pages.

What is spdesignnopub file?

File type category:
Various data file

Date updated: September 27, 2026

A .spdesignnopub file is application-specific data associated with SharePoint site-design work in Office SharePoint Designer. Its contents are intended for use by SharePoint Designer rather than as a general-purpose document.

Office SharePoint Designer was developed by Microsoft as a specialized HTML editor and web design program for creating and modifying SharePoint sites and web pages. The software runs on Microsoft Windows and uses its own files alongside the SharePoint content being designed or edited.

SharePoint Designer is legacy software and is no longer actively developed. As a result, this format is uncommon and may be difficult to open on current systems without a compatible Windows installation and the appropriate SharePoint Designer release.

How to open spdesignnopub file?

Open a .spdesignnopub file with Office SharePoint Designer on Microsoft Windows. Install a compatible release, then use the program's Open command or set it as the default application for the extension.

The file may not be meaningful in a general-purpose HTML editor or text editor. If SharePoint Designer cannot open it directly, access it through the SharePoint site or design work with which it is associated.

How to convert spdesignnopub file?

Because the .spdesignnopub format contains application-specific data rather than a standard document format, it may not be possible to convert it independently.

To preserve usable SharePoint content, open the associated work in Office SharePoint Designer and use the program's site-management or publishing features. This transfers the related site content but does not convert the file itself.

Suggested software to open spdesignnopub file:

Associated software actions with the spdesignnopub file

Other actions

Software applications that handle other tasks involving spdesignnopub files:

Microsoft Windows

Office SharePoint Designer