The current default file extension for an Excel file is XLSX. Excel File Extensions by Version. In the first group of file extensions, you can see in which format the worksheet was saved. Determine if...
The current default file extension for an Excel file is XLSX. Excel File Extensions by Version. In the first group of file extensions, you can see in which format the worksheet was saved. Determine if a file contains macros before you open it. File formats in Excel are of various types. While saving files with extensions, make sure to check the size compatibility of the extension. Extensions indicate the Excel file type and the format of the data. If you understand all of the Excel file extensions, you’ll have a better handle on how to save your file. Why Excel File Extensions Matter. The extension of an Excel file provides you with information about that file before you open it. A commonly used extension in Excel is .xlsx, which is used for storing data. XLS is another type of default extension which was used until MS Office 2007. For storing a VBA code, we have XLSM. Excel is one tool which has extensions in which we can save files.