Extension. Description. Excel Workbook.xlsx. The default XML-based file format for Excel 2010 and Excel 2007. Cannot store Microsoft Visual Basic for Applications (VBA) macro code or Microsoft Office Excel 4.0 macro sheets (.xlm). Excel Macro-Enabled Workbook (code).xlsm

Jun 14, 2023 · You can open XLS files with Microsoft Excel in Windows and macOS. Excel is the best program for opening XLS files because it fully supports the formatting of Excel spreadsheets, which includes data fields and graphs. Excel is also available for Android and iOS devices.

May 28, 2020 · The current default file extension for an Excel file is XLSX. Prior to Excel 2007, the default file extension was XLS. The main difference between the two is that XLSX is an XML-based open file format and XLS is a proprietary Microsoft format.

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.

Jul 9, 2024 · 2.3 How to Check the Excel File Extension. Click on the File tab. Click on the Save As pane to see the file extension in the marked box. The file has a .xlsx extension.

The .XLS file extension was added to the end of every saved Excel workbook, so the name soon became synonymous with cutting-edge computing and data spreadsheets. As computing power became more advanced, Excel evolved accordingly.

Apr 7, 2023 · A file with the XLS file extension is a Microsoft Excel 97-2003 worksheet file. Later versions of Excel save spreadsheets as XLSX files by default. XLS files store data in tables of rows and columns with support for formatted text, images, charts, and more.

Excel Extensions are suffixes added to the file names after the dot sign. They define the specific file format and its data type. We can use Extensions in Excel as follows: XLS and XLSX is the default Excel extension, XLSM is for the macro-enabled files, XLSB to reduce the file size, and XLAM if the Excel file contains add-ins.

Jul 26, 2020 · As you can see, the *.xls file extension is the default legacy Excel format for all versions of excel prior to Excel 2007. From Excel 2007 onwards, the default file extension for any Excel file was (and remains) *.xlsx.

Feb 12, 2017 · The XLS file type has been the default Excel file extension and format before Excel 2007. In Excel 2007, XLSX replaced the XLS format. Therefore, XLS is kind of outdated right now. In the daily life you won’t find it often any more. But some data base tools still export data as XLS files.