True if the search includes all the subfolders in the folder specified by the LookIn property. Read/write Boolean.
Example
This example searches the My Documents folder and all of its subfolders for all files whose names begin with "Cmd." The example also displays the name and location of each file that's found.
Set fs = Application.FileSearch
With fs
.LookIn = "C:\My Documents"
.SearchSubFolders = True
.FileName = "cmd*"
If .Execute() > 0 Then
MsgBox "There were " & .FoundFiles.Count & _
" file(s) found."
For i = 1 To .FoundFiles.Count
MsgBox .FoundFiles(i)
Next i
Else
MsgBox "There were no files found."
End If
End With