Microsoft Excel is the industry leading spreadsheet application and data analysis tool. Explore free spreadsheet software tools with advanced features in Excel.

Lists the file formats that are supported in Excel. The topic also includes a list of unsupported file formats and some suggested workarounds.

Open Excel XLS, XLSX, and CSV spreadsheet files with this simple app. XLS Opener lets you view, print, and share any spreadsheet. XLS Opener is built for simplicity and speed. Quickly …

Jul 18, 2024 · XlFileFormat enumeration (Excel) Specifies the file format when saving the worksheet.

You can reduce your file size by saving your spreadsheet as a binary workbook (.xslb) instead of the default format (.xslx). The default format is XML based, which is important if you're using …

Aug 19, 2025 · Specifies the Excel Binary File Format (.xls) Structure, which is the binary file format used by Microsoft Excel 97, Microsoft Excel 2000, Microsoft Excel 2002, and Microsoft …

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click. Or …

Recover a corrupted workbook manually when Excel can't start File Recovery mode automatically and learn about saving backup and recovery files to prevent losing your work.

When you open a workbook that has been corrupted, Excel automatically starts File Recovery mode and attempts to reopen and simultaneously repair the workbook.

Use Save As to save your workbook for the first time or to save a copy of your workbook in the location and file format you want.