The File Extensions Database

.WSP File Extension

  • Developer by: Microsoft
  • Category: Developer Files
  • Format: Binary

What is an .WSP file?

.WSP is SharePoint Solution Package

Package used by SharePoint, an enterprise-level document and content management system; saves a Windows SharePoint Services solution, which is a custom component, such as a website, that can be added to a company's SharePoint site.

WSP files are compressed in a .CAB format and can be created using the Makecab.exe program. The archive can include various site resources and source code files. The WSP file can be added to a SharePoint configuration database using the stsadm -o addsolution file.wsp command. It can be deployed to SharePoint servers using the stsadm -o deploysolution file.wsp command.

WSP files can be developed using Microsoft Visual Studio with the with the "Visual Studio extensions for Windows SharePoint Services" plug-in.

Programs that open SharePoint Solution Package
Microsoft SharePoint
Microsoft Visual Studio 2017

How to solve problems with WSP files

  • Associate the WSP file extension with the correct application. On :
    Windows: Right click on any WSP file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.WSP files". Mac: Right click (or Ctrl-click) the WSP file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .WSP is SharePoint Solution Package. Because only the current version supports the latest WSP file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available .WSP is SharePoint Solution Package update.
  • To make sure that your WSP file is not corrupted or virus-infected, get the file again and scan it with antivirus software.