Extension | Name | Description |
---|---|---|
.csv | CSV (Comma-separated values) | A minimal format compatible with many spreadsheet applications. Rows of data are represented as lines in the text file, with columnar breaks delimited by a single character, usually a comma. |
.dbf | DBF 3, DBF 4 | The native database file format of DBASE III and IV. |
.dif | Data interchange format | A feature-limited, widely-supported file format. Supports saving a single-page spreadsheet only. |
.htm, .html | HTML | Contains data formatted in HTML. When exported by Excel, supporting files such as images and sounds are stored in a folder. |
.mht, .mhtml | Single-page HTML | HTML-formatted single page data. |
.ods | OpenDocument Spreadsheet | An open-source file format supported by word processors including OpenOffice and LibreOffice. |
PDF (Portable Data Format) | An industry-standard document format created by Adobe. | |
.prn | Space-delimited formatted text | A format similar to CSV that supports text formatting, created by Lotus. Supports only a single sheet. |
.slk | SYLK Symbolic Link Format. | Supports only a single sheet. |
.txt | Tab-delimited text | A text file format similar to CSV, using tab as the delimiter character. Also, stores Unicode-encoded single-page spreadsheets. |
.xla | Excel Add-in | Supporting file for Visual Basic VBA projects, compatible with Excel 95-2003. |
.xlam | Excel Add-in with Macros | XML-based format compatible with Excel 2007 and 2013-2019, supporting VBA projects and Excel 4.0 macros. |
.xls | Excel Workbook (deprecated) | The native Excel file format for Excel versions 97-2003. |
.xlsb | Excel Binary Workbook | A fast load-and-save format compatible with Excel 2007-2019. Supports VBA projects and Excel 4.0 macros. |
.xlsm | Excel Workbook with Macros | XML-based format compatible with Excel 2007-2019, supporting VBA and Excel 4.0 macros. |
.xlsx | Excel Workbook | The native Excel file format for Excel versions 2007-2019. Supports 'ISO Strict' formatting. Does not support macros. |
.xlt | Excel Template (deprecated) | Excel template file format, Excel 97-2003. |
.xltx | Excel Template | Excel template file format, Excel 2007-2019. |
.xlw | Excel Workbook Only | Saves only worksheets, chart sheets, and macro sheets, but does not save spreadsheets. Compatible with Excel 2013-2019. |
.xml | XML Data | Spreadsheet data exported as XML. |
.xps | OpenXML Paper Specification | An open-source document format similar to PDF. |