.PSD1 File Extension
File TypeWindows PowerShell Data File
What is a PSD1 file?
File used by Windows PowerShell, a shell program that includes more advanced features than the Windows Command Prompt; contains various configuration information for a PowerShell script or module.
PSD1 files are used for storing module manifest information in hash table format. They are also used for localizing PowerShell troubleshooting packs.