Fix: Run macro based on cell contents if cell changes
To run a macro based on the contents of a cell whenever the cell changes, you can use a Worksheet Change event in VBA (Visual Basic for Applications). Here's how you can set this up: 1. **Open VBA Editor**: Press `Alt` + `F11` to open the VBA Editor in Excel. 2. **Insert a Module**: If you don't already have a module, insert one by clicking "Insert" > "Module." 3. **Write the Macro**: Write the VBA macro that you want to run when the cell contents change. For example, let's create a simple macro to display a message box when the cell `A1` changes: ```vba Sub MyMacro() If Target.Address = "$A$1" Then MsgBox "Cell A1 changed!" End If End Sub ``` 4. **Set Up Worksheet Change Event**: In the VBA Editor, find the worksheet in which you want to trigger the macro. Double-click the worksheet name, and in the code window for that worksheet, enter the following code: ```vba Private Sub