



DOC File in Microsoft Word? How Do I Open an XLSX File?īecause XLSX files have become standardized, you can open them in many applications on different platforms. DOCX File, and How Is It Different from a. The XLXS format replaced the proprietary XLS format that Excel used previously. Microsoft introduced this open format largely due to increased competition from Open Office and its Open Document Format (ODF). XLSX files are files used in Microsoft Excel, a spreadsheet application that uses tables to organize, analyze, and store data. Each cell can contain text or numerical data, including incorporating mathematical formulas.įirst introduced with Microsoft Office 2007 in the Office Open XML standard, XLSX is the default format when creating a spreadsheet using modern versions of Excel.
