SharePoint Designer theme file
File type: Various data file
A .spdesigntheme file is a saved theme used by Office SharePoint Designer.
The file belongs to a SharePoint site design and stores theme settings that control the site's visual appearance.
File type category:
Various data file
Date updated: September 27, 2026
Office SharePoint Designer is a Microsoft Windows application, specialized HTML editor, and web design program used to create and modify Microsoft SharePoint sites and web pages. It includes tools for working with site layouts, styles, and themes.
A .spdesigntheme file contains a saved SharePoint Designer theme. The theme can preserve visual design settings for reuse with a SharePoint site or related site design.
This is a legacy format associated with the Windows version of SharePoint Designer. Microsoft no longer actively develops SharePoint Designer, so the format is generally encountered in older SharePoint projects and installations.
Open a .spdesigntheme file on Windows with Office SharePoint Designer. If the file is associated with a SharePoint site, open or connect to that site in SharePoint Designer and use its theme or design tools.
To preserve the design, open the related site in Office SharePoint Designer and apply or recreate the theme using the site's design tools. Exporting the result to another theme format depends on the SharePoint environment.
Software applications that handle other tasks involving spdesigntheme files:
Microsoft Windows
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