- Name
- Excel Add-In File
- Extension
- .xla
- Format
- Binary
- Category
- Spreadsheet
- Developer
- Microsoft
- Description
- xla (Excel Add-In File) is a file type used by Microsoft Excel that contains macros, functions, and user-defined commands for extending the capabilities of the Excel program. xla files are used to add custom features to Excel, such as user interface elements, custom calculation engines, and data visualizations.
- MIME Type
- application/vnd.ms-excel.addin.macroEnabled.12