# [Verification Scripts](/tools/Verification%20scripts/)

This folder contains powershell scripts that help verifying the PowerToys installation.

## [Check preview handler registration](/tools/Verification%20scripts/Check%20preview%20handler%20registration.ps1)

This script checks the preview handler registration for the following file types:

* .markdown
* .mdtext
* .mdtxt
* .mdown
* .mkdn
* .mdwn
* .mkd
* .md
* .svg
* .svgz
* .pdf
* .gcode
* .stl
* .txt
* .ini

The tool shows the user handler and the machine handler for each file type and displays the App GUID of the corresponding handler.