XLS is an older, proprietary format compatible with all Microsoft Excel versions, while XLSX is a newer, XML-based open file format readable by Excel 2007 and later versions. XLS files can include macros, whereas XLSX files do not support macros.

Feb 12, 2017 · Excel provides 29 different file types when you save your Excel workbook. When you save an Excel workbook for the first time or use the “Save As” function, you are asked for a folder, file name as well as the file type. By default, Excel suggests the XLSX file type (unless your file has VBA macros).

XLS vs. XLSX: both are two different file formats of Microsoft Excel Spreadsheet used for storing financial data. The significant difference between the two formats is that while XLS uses the binary format, XLSX uses the latest format based on XML.

Mar 20, 2012 · In general, .xlsx/.xlsm files are somewhat less likely to become corrupt, and can be smaller, but if you make regular backups and have plenty of disk space, there's no reason to spend the time converting. OTOH, there's usually no reason not to take advantage of the OOXML formats for new files that you create.

Jan 28, 2023 · XLS is the default file format from Excel 97 to Excel 2003 while XLSX is the default file format for Excel 2007 and later. Tip: .xls is also the file extension for Microsoft Excel 5.0/95 Wordbook. .xlsx is also the file extension for Script Open XML Spreadsheet.

Mar 29, 2024 · XLS and XLSX are file formats associated with Microsoft Excel, a popular spreadsheet application. These formats are used to store and manage data in tabular form, allowing users to organize, analyze, and manipulate information effectively.

Apr 5, 2019 · XLS (Excel Spreadsheet) and XLSX (Excel Open XML Spreadsheet) are both file formats used to store and manage data or create mathematical models in Microsoft Excel. These files store data in worksheets that contain cells arranged as a grid of rows and columns.

Apr 8, 2024 · XML does not automatically compress data; however, the XLSX format is a compressed XML format. Therefore, when you convert an XLS file to XLSX, the file size is typically reduced.

Ever found yourself staring at your computer screen, puzzled by the difference between .xls and .xlsx files? You’re not alone. These two file formats are commonly used in Microsoft Excel but they aren’t exactly identical twins. While both might seem similar on the surface, there’s more than meets the eye when it comes to these spreadsheet savers.

Jul 27, 2011 · XLS and XLSX are two file extensions that are used by the very popular spreadsheet application from Microsoft named Microsoft Excel. XLS is very popular as it has been the default format for Microsoft Excel since it was first created up till 2003.