The tools are provided in 2 different packages, 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 tool package, you will find two folders,modern and classic, as well as an installer installer_BTAccessibilityTool.ps1. Depending on the SharePoint configuration you may have to install both packages.
Classic Solution (Classic SharePoint) 📁
── BTAccessibilityTool_x.x.x.x.wsp
Modern Solution (Modern SharePoint) 📁
── BTAccessibilityTool_x.x.x.x.sppkg
Installer (For both the Classic and Modern experiences) 📁
── installer_BTAcessibilityTool.ps1