The XLA file format adds modules and extra functions to Excel. XLA files provide additional tools to Excel spreadsheets. They are supported in Excel 2007 or later versions. XLA files are based on binary data format. Some XLA files, like Solver or Analysis ToolPak, come pre-installed with Excel. To activate these select File, Options, Add-Ins. In the Add-Ins window select Excel Add-ins, Go. Select the add-ins to activate and click OK. Users can install more add-ins by downloading or creating XLA files.
To open an XLA file select File, Options, Add-Ins. In the Add-Ins window select Excel Add-ins, Go. Select the add-ins to activate and click OK. Users can install more add-ins by downloading or creating XLA files.
The XLA format adds capabilities to Excel, like custom buttons and toolbars. XLA files are developed in VBA and compiled before installing in Excel.
To open XLA files, update the application used to open them. Check XLA files for viruses with antivirus software.
Microsoft Excel
OpenOffice Calc
LibreOffice Calc