XL98: Sample Macro to Open or Activate a Workbook

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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. The example that follows switches to a workbook named Book2 if it is already open or opens Book2 if it is closed. To use the example macro, follow these steps:

1. Start Microsoft Excel 98.
2. Press OPTION+F11 to start the Visual Basic Editor.
3. On the Insert menu, click Module
4. Enter the following code into the new module:

         Sub ActivateSheet()
   
         ' This macro assumes that there is already a workbook named 'Book2'
         'either in the current folder or currently open.
                On Error GoTo ErrorHandler
                Workbooks("Book2").Activate
                ' The following line halts the macro before the error handler
                ' is reached.
                Exit Sub
         ErrorHandler:
                Workbooks.Open filename:="Book2"
   
   End Sub