SharePoint Designer file
File type: Various data file
The .spdesignxml file extension identifies an XML-based file associated with Office SharePoint Designer.
Office SharePoint Designer uses this file as part of its work with Microsoft SharePoint sites and web pages. It is not itself a complete SharePoint site.
File type category:
Various data file
Date updated: September 27, 2026
Office SharePoint Designer was a Microsoft Windows application for creating and modifying Microsoft SharePoint sites and web pages. It included HTML editing and other tools for working with SharePoint site content.
A .spdesignxml file stores XML-formatted data used by SharePoint Designer. The file belongs to the application's SharePoint design workflow rather than being a general-purpose document intended for use in a web browser.
SharePoint Designer is legacy software and is no longer actively developed. The format is therefore mainly encountered in older SharePoint projects and installations.
Open a .spdesignxml file with Office SharePoint Designer on Microsoft Windows. The application is the appropriate choice when the file needs to be interpreted as part of a SharePoint design.
An XML or text editor can display the file's underlying text, but it may not interpret the SharePoint Designer data correctly or provide useful editing options.
The .spdesignxml format is intended for use with Office SharePoint Designer rather than direct conversion to a standard document format.
If you need to move SharePoint content, use Office SharePoint Designer's own site publishing or export features where applicable instead of converting the file directly.
Software applications that handle other tasks involving spdesignxml files:
Microsoft Windows
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