EXCEL Shortcut keys for daily usage:

Edit Cell F2 or Double Click inside cell
Line Break inside Cell Alt+Enter
Insert row Alt+i and then r
Insert a column Alt+i and then c
Insert new Worksheet Alt+i and then w
Moving from sheet to sheet – Next sheet Ctrl+PgDown
Moving from sheet to sheet – Previous sheet Ctrl+PgUp
Select the active cell range Have active cell inside range Ctrl+Shift+8
Select Row Shift+SPACE
Select Column Ctrl+SPACE
Freeze Pane Alt+w and then F
SUM Alt+=
Current Date For always changing date use function =today() Ctrl+;
Current Time Ctrl+Shift+;
Instant chart of selected Range F11