**Syntax of OFFSET**

=OFFSET(reference,rows, columns, [height], [width])

The OFFSET function returns reference of cell from given offset (row and column) of given reference.

For example, if you give reference of B4, offset row 0, and offset column 1 to OFFSET function, then value from C4 will be returned. Confusing? Lets have some more examples. Last example of OFFSET function tells how to SUM dynamically.

We have this table.

Now if I want to get value from 2 cell right to B2 (which means D2). I will write this OFFSET formula:

=OFFSET(B2,0,2)

OFFSET function will move 2 cell to right of cell B4 and return its value. See Image below

If I want to get value from 1 cell left to B2 (which means A2). I will write this OFFSET formula:

=OFFSET(B2,0,-1)

Minus (-) sign indicates offset to move reversed.

So again in the above table, if I want to get value from 2 cell belove to B3 (which means B5). I will write this OFFSET formula:

=OFFSET(B2,2,0)

If I want to get value from 1 cell left to B2 (which means A2). I will write this OFFSET formula:

=OFFSET(B2,-2,0)

**Pro Tip:**Treat a OFFSET as graph pointer where Reference is origin and row and column are x and y axis.

Let’s see this example.

In the above table, the total row is at the end of the table. Over the time you will add rows to this table. Then you’ll need to change sum range in the formula. Here we can take help of the OFFSET function to sum dynamically. Currently, in cell C11, we have **=SUM(C2:C10)**. Replace this with below formula.

=SUM(C2:OFFSET(C11,-1,0))

This formula just takes the first data row and then sums the range above the total row.

OFFSET function has two optional arguments, [height] and [width]. Do not take them for granted. When OFFSET function is provided [height] and [width] arguments, it returns a two-dimensional array. If only one of them is passed as an argument it returns on a dimensional array of values.

If you type in this formula in any cell :

=SUM(OFFSET(C1,1,0,9,3))

It will sum values in range starting from C2 to 9 rows below and 3 columns right.

**OFFSET(C1,1,0,9,3) :** This will translate to {8,8,7;6,1,2;8,5,8;5,1,5;8,3,5;8,3,9;8,9,2;3,5,4;6,6,5}.

So in conclusion, offset is very useful function of excel that can help you solve many strangled threads. Let me know how you use OFFSET function in your formula and where it helped you most.

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