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The need to backup or download SharePoint solutions or WSPs from SharePoint come’s up from time to time. This usually crops up for me when upgrading client environments, and they have forgotten where they put their original solutions, or there is a discrepancy as to which version they installed.

To download the solutions from the config database run the following PowerShell script. This will save all of the solutions stored in SharePoint’s config database to a directory (“C:\Solutions”) on the local machine.

Remember to review, rename and test this script before using it in a production environment.