VBA code for backing up excel files

The code is working but I am doing something wrong the backed up files are saving as follows

sdutestautobackup._Nov_17_11xlsm

When I try to open I get an error message Windows Can not open this file.

Fullstop in wrong place I think

sdutestautobackup_Nov_17_11.xlsm

I am new to VBA so excuse me in advance if this is a basic mistake on my part. If possible could you amend code along with explanation.

Thanks

Gerry
Ireland.



[VBA]Private Sub CommandButton1_Click()
''MUST set reference to Windows Script Host Object Model in the project using this code!

'This procedure will copy all files in a folder, and insert the last modified date into the file name'
'it is identical to the other procedure with the exception of the renaming...
'In this example, the renaming has utilized the files Last Modified date to "tag" the copied file.
'This is very useful in quickly archiving and storing daily batch files that come through with the same name on
'a daily basis. Note: All files in current folder will be copied this way unless condition testing applied as in prior example.

Dim objFSO As FileSystemObject, objFolder As Folder, PathExists As Boolean
Dim objFile As File, strSourceFolder As String, strDestFolder As String
Dim x, Counter As Integer, Overwrite As String, strNewFileName As String
Dim strName As String, strMid As String, strExt As String

Application.ScreenUpdating = False 'turn screenupdating off
Application.EnableEvents = False 'turn events off

'identify path names below:
strSourceFolder = "C:\Users\christine\SDU" 'Source path
strDestFolder = "C:\Users\christine\backup" 'destination path, does not have to exist prior to execution
''''''''''NOTE: Path names can be strings built in code, cell references, or user form text box strings''''''
''''''''''example: strSourceFolder = Range("A1")

'below will verify that the specified destination path exists, or it will create it:
On Error Resume Next
x = GetAttr(strDestFolder) And 0
If Err = 0 Then 'if there is no error, continue below
PathExists = True 'if there is no error, set flag to TRUE
Overwrite = MsgBox("The folder may contain duplicate files," & vbNewLine & _
"Do you wish to overwrite existing files with same name?", vbYesNo, "Alert!")
'message to alert that you may overwrite files of the same name since folder exists
If Overwrite <> vbYes Then Exit Sub 'if the user clicks YES, then exit the routine..
Else: 'if path does NOT exist, do the next steps
PathExists = False 'set flag at false
If PathExists = False Then MkDir (strDestFolder) 'If path does not exist, make a new one
End If 'end the conditional testing

On Error GoTo ErrHandler
Set objFSO = New FileSystemObject 'creates a new File System Object reference
Set objFolder = objFSO.GetFolder(strSourceFolder) 'get the folder
Counter = 0 'set the counter at zero for counting files copied

If Not objFolder.Files.Count > 0 Then GoTo NoFiles 'if no files exist in source folder "Go To" the NoFiles section

For Each objFile In objFolder.Files 'for every file in the folder...
'parse the name in three pieces, file name middle and extension. In between, insert the
'last modified date. Other options may be a native Date function or a cell refernce to
'tag the renamed file in place of >=====Format(objFile.DateLastModified, "_mmm_dd_yy")===<<<<
'if strMid is not used, it can be removed or left as a null "" string

strName = Left(objFile.Name, Len(objFile.Name) - 4) 'remove extension and leave name only
'strName = Range("A1") 'sample of renaming from cell A1, can by used for strMid as well

strMid = Format(objFile.DateLastModified, "_mmm_dd_yy") 'insert and format files date modified into name
'strMid = Format(Now(),"_mmm_dd_yy") 'sample of formatting the current date into the file name

strExt = Right(objFile.Name, 4) 'the original file extension

strNewFileName = strName & strMid & strExt 'build the string file name (can be done below as well)

objFile.Copy strDestFolder & "\" & strNewFileName 'copy the file with NEW name!

'objFile.Name = strNewFileName <====this can be used to JUST RENAME, and not copy

'The below line can be uncommented to MOVE the files AND rename between folders, without copying
'objFile.Move strDestFolder & "\" & strNewFileName


'End If 'where conditional check, if applicable would be placed.

' Uncomment the If...End If Conditional as needed
Counter = Counter + 1
Next objFile 'go to the next file

MsgBox "All " & Counter & " Files from " & vbCrLf & vbCrLf & strSourceFolder & vbNewLine & vbNewLine & _
" copied/moved to: " & vbCrLf & vbCrLf & strDestFolder, , "Completed Transfer/Copy!"
'Message to user confirming completion

Set objFile = Nothing: Set objFSO = Nothing: Set objFolder = Nothing 'clear the objects

Exit Sub

NoFiles:
'Message to alert if Source folder has no files in it to copy
MsgBox "There Are no files or documents in : " & vbNewLine & vbNewLine & _
strSourceFolder & vbNewLine & vbNewLine & "Please verify the path!", , "Alert: No Files Found!"
Set objFile = Nothing: Set objFSO = Nothing: Set objFolder = Nothing 'clear the objects

Application.ScreenUpdating = True 'turn screenupdating back on
Application.EnableEvents = True 'turn events back on

Exit Sub 'exit sub here to avoid subsequent actions

ErrHandler:
'A general error message
MsgBox "Error: " & Err.Number & Err.Description & vbCrLf & vbCrLf & vbCrLf & _
"Please verify that all files in the folder are not currently open," & _
"and the source directory is available"

Err.Clear 'clear the error
Set objFile = Nothing: Set objFSO = Nothing: Set objFolder = Nothing 'clear the objects
Application.ScreenUpdating = True 'turn screenupdating back on
Application.EnableEvents = True 'turn events back on
End Sub[/VBA]

How about trying:

Code:

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strNewFileName = strName & strMid & "." & strExt 'build the string file name (can be done below as well)

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