However, a production-ready solution requires nuance. The command above attempts to unblock every item—including directories. Since directories do not possess a zone identifier, this results in benign but unsightly errors. The optimal solution is to target only files:
: Specifies the target folder. If you are already in the correct folder, you can use . or omit this parameter. powershell unblock all files in folder and subfolders
: This symbol passes the list of files found by the first command directly to the next command. However, a production-ready solution requires nuance
Get-ChildItem -Path "C:\MyFolder" -Recurse -File | Where-Object (Get-Item $_.FullName -Stream Zone.Identifier -ErrorAction SilentlyContinue) | Unblock-File *.exe | Unblock-File
Get-ChildItem -Path "C:\MyFolder" -Recurse -Include *.ps1, *.psm1, *.exe | Unblock-File