What are the 5 different files formats that can be save through the ms excel?

Microsoft Excel allows users to save files in various formats, including the default XLSX format, which is widely used for spreadsheets. Other formats include CSV (Comma-Separated Values) for data interchange, XLS for compatibility with older Excel versions, PDF for sharing non-editable documents, and TXT (text files) for plain text data. Each format serves different purposes, catering to specific needs for data handling and sharing.