.XLS5 File

The xls5 file extension is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more.

The .xls5 files were used in Microsoft Excel 5 for Mac for spreadsheet files.

The default file extensions, that are used by Microsoft Excel, are xls or since Microsoft Office 2007 the xlsx.

This xls5 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

Use Microsoft Excel 5 for Mac to work with *.xls5 files.

How to convert:

The *.xls5 files can be exported to other formats.