.
Here is another method using your code :
Option Explicit
Sub EmailLatestFileInFolder()
'Declare the variables
Dim MyPath As String
Dim MyFile As String
Dim LatestFile As String
Dim LatestDate As Date
Dim LMD As Date
'Specify the path to the folder
MyPath = "C:\Users\My\Downloads\"
'Make sure that the path ends in a backslash
If Right(MyPath, 1) <> "\" Then MyPath = MyPath & "\"
'Get the first Excel file from the folder
MyFile = Dir(MyPath & "*.xl*", vbNormal)
'If no files were found, exit the sub
If Len(MyFile) = 0 Then
MsgBox "No files were found...", vbExclamation
Exit Sub
End If
'Loop through each Excel file in the folder
Do While Len(MyFile) > 0
'Assign the date/time of the current file to a variable
LMD = FileDateTime(MyPath & MyFile)
'If the date/time of the current file is greater than the latest
'recorded date, assign its filename and date/time to variables
If LMD > LatestDate Then
LatestFile = MyFile
LatestDate = LMD
End If
'Get the next Excel file from the folder
MyFile = Dir
Loop
Dim OApp As Object
Dim OMail As Object
Dim signature As String
Set OApp = CreateObject("Outlook.Application")
Set OMail = OApp.CreateItem(0)
With OMail
.Display
End With
signature = OMail.body
With OMail
.To = "Who It May Concern@email.com"
.Subject = "Please See Attached Document"
.Attachments.Add MyPath & LatestFile
.body = "FYI" & vbCrLf & vbCrLf & "signature"
.Display
End With
On Error GoTo 0
Set OMail = Nothing
Set OApp = Nothing
End Sub