How should we rename file?
Press File-Save As-rename-Save
Press File-Save-rename-Save
Close the file and press Save
All answers are correct
How to copy content from one cell to another?
Mark content, press CTRL+C, than select the cell you want to copy and press CTRL+V
Mark content, press right button on mouse, next Copy, than select the cell you want to copy to and press Paste
Both answers are correct
None of the answers is correct
How to insert new column?
Select the column left to which you want to insert new one, press right button on mouse and Insert
On the ribbon go to Insert+Insert Cells
