BEST code for LISTING and RENAMING files in any folder based on any extension Criteria

Hi Guys,
I worked really hard to get this solution. As I successfully completed it, so just sharing the code for your information and maybe improvement.
The function of this code is to RENAME the names of files based on their extension i.e. TXT, PDF, DOC etc in ANY folder chosen through a dialog box. You have to first used the routine "GetFileNames" to get all the file names in COLUMN-A of any empty excel sheet. Then do any formatting to the name of file in COLUMN-B (adjacent cells). Then you can rename the file names of COLUMN-A based on new names in COLUMN-B. Please don't change the full path or anything. Just change the ending part of file name (without path).
Regards and Cheers

Option Explicit

Sub GetFileNames()
Dim fso             As Object
Dim fPath           As String
Dim myFolder, myFile
Dim r As Integer
   
    Set fso = CreateObject("Scripting.FileSystemObject")
    With Application.FileDialog(msoFileDialogFolderPicker)
        .AllowMultiSelect = False
        .Show
        If .SelectedItems.Count > 0 Then fPath = .SelectedItems(1) & "\"
    End With
    Set myFolder = fso.GetFolder(fPath).Files

r = 1
'Pick the file names based on certain extensions.
For Each myFile In myFolder
If LCase(myFile) Like "*.pdf" Then
    ActiveCell.Offset(r) = myFile
    r = r + 1
End If
Next myFile

End Sub

Sub Rename_Files()
Dim fso             As Object
Dim fPath           As String
Dim myFolder, myFile
Dim r As Integer
    Set fso = CreateObject("Scripting.FileSystemObject")
 
    With Application.FileDialog(msoFileDialogFolderPicker)
        .AllowMultiSelect = False
        .Show
        If .SelectedItems.Count > 0 Then fPath = .SelectedItems(1) & "\"
    End With
   
    Set myFolder = fso.GetFolder(fPath).Files

r = 1
'Change the file names based on adjacent column.
For Each myFile In myFolder
If LCase(myFile) Like "*.pdf" Then
    Name Cells(r + 1, "A") As Cells(r + 1, "B")
    r = r + 1
End If
Next myFile


End Sub

This code gonna make my life lot easier now on