Currently following features are not supprted:
Some conditional formatting (icons, data bars, and sparklines are supported)
Macros and VBA code
While SpreadsheetWEB doesn't support macros, it can still execute workbooks containing macros. It will execute those workbooks as if macros were disabled.
SpreadsheetWEB has a builtin scripting support to substitute macros in Excel.See our scripting support pages Scripting Support
Third party addins
Some cell formats
- Custom number formats
- Background fill effects
- Background patterns
- Text orientation except for horizontal
Slicers
Filters
Group/Ungroup, Subtotal
Solver
Active-X controls (Form controls are supported)
Some Excel formulas
List of supported Excel formulas