SharePoint Designer skin file
File type: Settings, options, themes or skins file
A spdesignskin file is a skin resource used by Microsoft Office SharePoint Designer. It contains graphics or other customization data for the program's visual appearance.
File type category:
Settings, options, themes or skins file
Date updated: October 4, 2026
Record marked as obsolete and not updated for a long time.
The spdesignskin file extension is associated with Office SharePoint Designer, Microsoft's HTML editor and web design program for creating and modifying SharePoint sites and web pages.
A spdesignskin file contains a skin used by SharePoint Designer to customize its appearance. It belongs to the program's settings and visual customization resources rather than to the SharePoint web pages that the program edits.
Office SharePoint Designer was made for Microsoft Windows, and the format is now obsolete.
Open or import a spdesignskin file with Office SharePoint Designer on Microsoft Windows to change the program's visual appearance. The file is intended for use by the program and may not provide useful content when opened as a standalone file.
If SharePoint Designer does not recognize the file, it may be an unused or unsupported skin resource rather than a document that can be opened directly.
There is no standard conversion for a spdesignskin file. It is a program-specific skin resource, so it should normally be retained for use with Office SharePoint Designer rather than converted to another document format.
Software apps that manage or store settings in spdesignskin files:
Microsoft Windows
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