SharePoint Designer file
File type: Various data file
The .spdesignhomepg file is associated with Office SharePoint Designer, Microsoft's Windows application for creating and modifying SharePoint sites and web pages.
It is a SharePoint Designer data file used by the application rather than a standard HTML document intended for direct editing.
File type category:
Various data file
Date updated: September 27, 2026
Office SharePoint Designer is a specialized HTML editor and web design program from Microsoft. It is used to create and modify Microsoft SharePoint sites and web pages.
The .spdesignhomepg file stores data used by SharePoint Designer for a SharePoint site. It is an application support file rather than the published home page itself.
Open this file with Office SharePoint Designer on Microsoft Windows. Because it is an application data file, it may not display meaningful content when opened outside SharePoint Designer or in a text editor.
If the file is part of a SharePoint Designer installation or site, open it from within the associated SharePoint Designer environment rather than attempting to edit it directly.
The .spdesignhomepg file is an application data file and is not normally converted directly to HTML or another document format.
To preserve usable website content, open the associated site in Office SharePoint Designer and export or publish the relevant pages and site data using the application's available tools.
Software applications that handle other tasks involving spdesignhomepg files:
Microsoft Windows
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