Read the excel files, concat them and append the data − for file in filenames: df = pd.concat (pd.read_excel (file, sheet_name=None), ignore_index=True, sort=False) outputxlsx = outputxlsx.append (df, ...

How to merge multiple Excel files? How to merge Excel with the same type? What if there is duplicate data during the merge? How to summarize data from multiple files? I believe many colleagues will ...