Do not run this file locally! Run it from your local or remote web http server where is installed PHP.
Drop any .xlsx file to the grid to open and edit it here! Or open any .xlsx file from your disk by click to icon on toolbar. The xlsx files can be opened, edited and saved (by icon) directly in browser, without any communication with server!
Basic MS Excel sheet look, cursor, navigation, editing, selecting, copying, moving, filling, resizing, pasting and cell span.
Configuring key and mouse action schema, dynamic cell styles and borders, outside editing, auto generating pages.
Enter formulas starting by =; e.g. =sum(E5:H12); available functions: