Excel Keymap provides the following set of key for navigation in grid:

• Enter + Ctrl - disables cell editor, there is no moving to any cell;
• Enter+Shift - disables cell editor, selects cell located up relative to the current one;
• Enter - disables cell editor, selects cell located down relative to the current one;
• Tab - disables cell editor, selects the next right cell;
• Tab+Shift - disables cell editor, selects the previous left cell;
• F2 - enables cell editor;
• ESC - disables cell editor, input value is not saved;
• PgUp - moves to the previous page;
• PgDow - moves to the next page;
• Left-Arrow - selects the left cell;
• Right-Arrow - selects the right cell;
• Up-Arrow - selects the cell up;
• Down-Arrow - selects the cell down;
• Ctrl + Left-Arrow - selects the first cell in the string;
• Ctrl + Right-Arrow - selects the last cell in the string;
• Ctrl + Up-Arrow - selects the first cell in the column;
• Ctrl + Down-Arrow - selects the last cell in the column;
• Shift + Up-Arrow, Shift + Down-Arrow - massive strings selection;
• Ctrl + Shift + Down-Arrow - selects all the strings from the current one to the last one;
• Ctrl + Shift + Up-Arrow - selects all the strings from the current one to the first one;
• Home - selects the first cell in the current string;
• End - select the last cell in the current string;
• Ctrl + Home - selects the first cell in grid (at the top on the left)выделяется самая первая ячейка грида (самая верхняя левая);
• Ctrl + End - selects the last cell in grid (at the foot on the right).

Note: In case cell is selected and it is editable, when starting typing cell editor opens and allows to input data.