Handy link outlining the procedure to open the Visual Basic Development environment inside Microsoft Excel 2013. Alt + F11 may work for you on a PC but through virtual machines this can become problematic. Try enabling the Developer tab for easy access through the menu bar. Once the Developer tab is enabled, click on the Visual Basic button in the ribbon. If a Module doesn’t exist create it as follows, then double click the module and start coding. Possibilities are endless, but a classic use for this is stripping attachments out of your emails automatically as they arrive and onto a folder on disk.