The themes are provided in 2 different packaging all following Microsoft guidelines:

For Classic Experience:

  • Sandbox Solution, for Sandbox environments (*.wsp).

For Modern Experience:

  • Modern Solution, for Modern SharePoint (*.sppkg).

After unzipping your Theme package, you will find two zip files, a SPFx package - Modern SharePoint and Sandbox Solution (SPO) - Classic SharePoint. Depending on the SharePoint configuration you may install all the packages.

zip.png


Sandbox Solution (Classic SharePoint) 📁

── yourthemename.SP02013.wsp


Modern Solution (Modern SharePoint) 📁

themestructure.png

── yourthemename.json
── yourthemename.spcolor
── yourthemename.spfx.sppkg
── Installer.ps1