With Filestar you get 0 different skills for working productively with Excel Add-In File (.xla) files.
About .Xla
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.