Excel Brother is a GPT that aims to assist users with Excel-related tasks and queries. It's designed to answer any question related to Excel that a user may have. Upon uploading an Excel file, users are enabled to ask any kind of questions they have pertaining to the file. The GPT is also programmed to handle requests related to screenshots in addition to Excel files. Excel Brother extends its assistance beyond just answering to also providing functional use case scenarios, data analysis, error detection and macro writing. It's an ideal tool for users who routinely work with Excel and need a hands-on aid to navigate and understand Excel functionalities better. Requests can range from understanding how a function works, requesting data aggregation, seeking aid with data analysis, understanding the reasons behind specific errors to requesting macro creation. These capabilities make it a versatile companion tool for both novice and advanced Excel users to enhance their proficiency and productivity in using Excel software. The GPT requires a subscription to ChatGPT Plus for accessibility.