Excel 365
Collapse the Ribbon to get more space on screen
When you need as much space as possible on the screen to view a document, you can collapse (or minimize) the Ribbon and then restore it very simple.
Workaround for sorting and filtering of merged cells
In some situations, you can't work with a workbook that consists of merged cells. To use Filter, Sort, or other functions, you need to unmerge cells and put to all of them the data from merged cells. This tip shows how to do it efficiently.
Basic Formula operators
Excel formulas support many different operators. Operators are symbols that indicate what mathematical or logical operation a formula should perform. The following are the most common operators used in Excel.
Using the formula bar as a calculator
If you simply need to perform a calculation, you can use the Formula bar as a calculator.
Referencing cells outside the worksheet
Formulas can refer to cells in other worksheets-and the worksheets don't even have to be in the same
workbook. Excel uses a special type of notation to handle these types of references.
Shortcut key to switch between relative, absolute and mixed references
You can enter nonrelative references (absolute or mixed) manually by inserting dollar signs in the appropriate positions, or you can use a handy shortcut - F4 key.
Copy formulas for selected cells fast and easy
You can use "Copy" (Ctrl+C) and "Paste" (Ctrl+V) options, but there is a faster way to "copy" a formula to multiple adjacent cells.
How to enter a new line on a cell
If you have lengthy text in a cell, you can force Excel to display it in multiple lines within the cell.