Macro to Loop Through All Files in a Folder (Directory)

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Article ID: 139724 - View products that this article applies to.
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This article contains a sample Microsoft Visual Basic for Applications macro (Sub procedure) that loops through specified files in a folder (directory) and displays each file name in a dialog box.


Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements.

Sample Visual Basic Procedure

   Sub DirLoop()

      Dim MyFile As String, Sep As String

      ' Sets up the variable "MyFile" to be each file in the directory
      ' This example looks for all the files that have an .xls extension.
      ' This can be changed to whatever extension is needed. Also, this
      ' macro searches the current directory. This can be changed to any
      ' directory.

      ' Test for Windows or Macintosh platform. Make the directory request.
      Sep = Application.PathSeparator

      If Sep = "\" Then
         ' Windows platform search syntax.
         MyFile = Dir(CurDir() & Sep & "*.xls")


         ' Macintosh platform search syntax.
         MyFile = Dir("", MacID("XLS5"))
      End If

      ' Starts the loop, which will continue until there are no more files
      ' found.

      Do While MyFile <> ""

         ' Displays a message box with the name of the file. This can be
         ' changed to any procedure that would be needed to run on every
         ' file in the directory such as opening each file.

         MsgBox CurDir() & Sep & MyFile
         MyFile = Dir()

   End Sub


Article ID: 139724 - Last Review: October 11, 2006 - Revision: 2.3
  • Microsoft Excel 97 Standard Edition
  • Microsoft Excel 95 Standard Edition
  • Microsoft Excel 5.0 Standard Edition
  • Microsoft Excel 98 for Macintosh
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This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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