@MaxyArthes - using hotkeys can be a bit finicky in excel i’ve noticed. First thing make sure you use the ‘Select cell’ activity to select one of the headers in the table you’re trying to filter. Then use the send hotkey or send keys activity. If the hotkey you tried didn’t work, try sending the following keys with a 200ms lag time (using standard keyboard, not SendWindowsMessages or SimulateType). alt + a + t
If none of those suggestions work, you could create a simple macro within the workbook, or a .vbs file to run a filter. You can pass in the range in you want to run the autofilter as an in argument for the macro and it would only be a couple lines long