Business travel expense software is a type of software designed to help businesses manage their travel expenses. It is used to track and manage all aspects of business travel, including airfare, hotel, car rental, meals, and other related expenses. The software is designed to streamline the process of tracking and managing expenses, making it easier for businesses to keep track of their travel costs. It also helps businesses to identify areas where they can save money, as well as to ensure that all expenses are accounted for. Business travel expense software is an invaluable tool for businesses that travel frequently, as it helps them to keep their costs under control and to ensure that their travel expenses are accurately reported.