Loop through files, split text and save the files - excel

Question

I have some vba code which loops through all csv-files in a folder. It saves a file but does not split text into columns.
When I step through the code using F8, I can see that the text is split to columns, but when reopening the modified file I can't see the text having been split.
I am trying to open each file, split text to columns, and then save and go to the next file. I want to this for all files in a folder of my choice. Each folder may contain thousands of files.
Sub LoopAllExcelFilesInFolder()
'PURPOSE: To loop through all Excel files in a user specified folder and perform a set task on them
'SOURCE: www.TheSpreadsheetGuru.com
Dim wb As Workbook
Dim myPath As String
Dim myFile As String
Dim myExtension As String
Dim FldrPicker As FileDialog
'Optimize Macro Speed
Application.ScreenUpdating = False
Application.EnableEvents = False
Application.Calculation = xlCalculationManual
'Retrieve Target Folder Path From User
Set FldrPicker = Application.FileDialog(msoFileDialogFolderPicker)
With FldrPicker
.Title = "Select A Target Folder"
.AllowMultiSelect = False
If .Show <> -1 Then GoTo NextCode
myPath = .SelectedItems(1) & "\"
End With
'In Case of Cancel
NextCode:
myPath = myPath
If myPath = "" Then GoTo ResetSettings
'Target File Extension (must include wildcard "*")
myExtension = "*.csv*"
'Target Path with Ending Extention
myFile = Dir(myPath & myExtension)
'Loop through each Excel file in folder
Do While myFile <> ""
'Set variable equal to opened workbook
Set wb = Workbooks.Open(filename:=myPath & myFile)
'Ensure Workbook has opened before moving on to next line of code
DoEvents
'Change First Worksheet's Background Fill Blue
wb.Worksheets(1).Range("A:A").Select
Selection.TextToColumns Destination:=Range("A1"), DataType:=xlDelimited, _
TextQualifier:=xlDoubleQuote, ConsecutiveDelimiter:=True, Tab:=True, _
Semicolon:=True, Comma:=True, Space:=True, Other:=True, OtherChar:= _
"|", FieldInfo:=Array(Array(1, 1), Array(2, 1), Array(3, 1), Array(4, 1), Array(5, 1), _
Array(6, 1), Array(7, 1), Array(8, 1), Array(9, 1), Array(10, 1), Array(11, 1), Array(12, 1) _
, Array(13, 1), Array(14, 1), Array(15, 1), Array(16, 1), Array(17, 1), Array(18, 1), Array( _
19, 1), Array(20, 1), Array(21, 1)), TrailingMinusNumbers:=True
Range("A1").Select
'Save and Close Workbook
wb.Close SaveChanges:=True
'Ensure Workbook has closed before moving on to next line of code
DoEvents
'Get next file name
myFile = Dir
Loop
'Message Box when tasks are completed
MsgBox "Task Complete!"
ResetSettings:
'Reset Macro Optimization Settings
Application.EnableEvents = True
Application.Calculation = xlCalculationAutomatic
Application.ScreenUpdating = True
End Sub

Answer 1

You may be saving the file back to csv. You should save the file in xlsx, this way:
wb.SaveAs Filename:=split(myfile, ".")(0), FileFormat:=xlOpenXMLWorkbook
And please apply #Luuklag's suggestion, too.