1、新建一个excel

2、选择alt+F11

3、选择insert model

4、输入程序，选择包含csv文件的文件夹

 1 Sub CSVtoXLS()
 2 'UpdatebyExtendoffice20170814
 3     Dim xFd As FileDialog
 4     Dim xSPath As String
 5     Dim xCSVFile As String
 6     Dim xWsheet As String
 7     Application.DisplayAlerts = False
 8     Application.StatusBar = True
 9     xWsheet = ActiveWorkbook.Name
10     Set xFd = Application.FileDialog(msoFileDialogFolderPicker)
11     xFd.Title = "Select a folder:"
12     If xFd.Show = -1 Then
13         xSPath = xFd.SelectedItems(1)
14     Else
15         Exit Sub
16     End If
17     If Right(xSPath, 1) <> "\" Then xSPath = xSPath + "\"
18     xCSVFile = Dir(xSPath & "*.csv")
19     Do While xCSVFile <> ""
20         Application.StatusBar = "Converting: " & xCSVFile
21         Workbooks.Open Filename:=xSPath & xCSVFile
22         ActiveWorkbook.SaveAs Replace(xSPath & xCSVFile, ".csv", ".xlsx", vbTextCompare), xlNormal
23         ActiveWorkbook.Close
24         Windows(xWsheet).Activate
25         xCSVFile = Dir
26     Loop
27     Application.StatusBar = False
28     Application.DisplayAlerts = True
29 End Sub