# Read XLSX File {% embed url="" %} **Tip:** combine this block with a For Each block to iterate over each column in a row, and then use a Switch block to process columns values based on the column number or column name (see video above for more). ### Flow Connections * \[Input] In - starts the block's execution. * \[Output] Each row - activates once for each row in the file. * \[Output] Completed - activates when all the rows in the file have been iterated over. ### Data Connections * \[Input] XLSX file (file) - XLSX file to be read. * \[Output] Row number (integer) - number of the row currently being read (starting at 1), increases by 1 with every iteration. * \[Output] Row columns (string array) - contents of the columns of the row currently being read in string format. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://appmaster.gitbook.io/docs/business-logic/block/functions/file/read-xlsx-file.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.