Hiring a Microsoft Office - developer can be beneficial due to their expertise in these versions of Office. They can provide support in troubleshooting problems, customize applications to suit your business needs, and enhance productivity with automation via Visual Basic for Applications (VBA). These developers can make your documents, spreadsheets, and presentations more dynamic and interactive. They also have knowledge of older systems, ensuring compatibility and smooth transition if you're planning to upgrade. Their skills can streamline your operations, save time, and increase efficiency.