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

Lists file formats (file types) that are supported in Excel, their extensions, and how to save workbooks to a different format or the current XML-based format (.xlsx).

The .xlsx workbook format introduced in Excel 2007 preserves all worksheet and chart data, formatting, and other features available in earlier Excel versions, and the Macro-Enabled Workbook format …

See a list of supported file formats and descriptions for Excel for Mac workbooks.

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

In Microsoft Excel, workbooks are saved as Excel Workbooks (.xlsx) by default. You can change the default file format to any other file format that is supported in Excel.

The Open XML format (.docx/.xlsx/.pptx) is the default format in all supported versions of Microsoft Office and, unless you have a specific reason to use a different format, it's the format we recommend …

These formats and file name extensions apply to Microsoft Word, Microsoft Excel, and Microsoft PowerPoint. This article discusses key benefits of the format, describes the file name extensions and …

When you work in Compatibility Mode or want to save a workbook to the Excel 97-2003 (.xls) file format, the Compatibility Checker can help you identify issues that may cause a significant loss of …

See how to open an OpenDocument Spreadsheet in Excel or save an Excel worksheet in .ods format.