The col_index_num is the column of data that contains the answer that you want. If your table is set up as: column 1 - Student ID Number, column 2 - Student Names, column 3 - Grades and you inputted a Student ID Number and you want to retrieve the grade that was received for that person, the col_index_num would be 3.

## What is the Col_index_num argument?

The Table_array argument is the list containing the item sough as well as the value you want to return. You can safely select the complete table A2:C10. The Col_index_num (Column index number) is the relative column number in the list. The Range_lookup argument is critical.

## What is VLOOKUP used for?

When you need to find information in a large spreadsheet, or you are always looking for the same kind of information, use the VLOOKUP function. VLOOKUP works a lot like a phone book, where you start with the piece of data you know, like someones name, in order to find out what you dont know, like their phone number.

## What is the COL index number in VLOOKUP?

Column Index Number = The column number in table from which the matching value must be returned. This number should not be greater than the number of columns in the table_array otherwise, it will show error #REF!. Range Lookup = This is optional value.

The INDEX function returns a value or the reference to a value from within a table or range. There are two ways to use the INDEX function: If you want to return the value of a specified cell or array of cells, see Array form.

Col_index_num: The Col_index_num argument identifies the column number in the lookup table that contains the value to be returned. In the example in the figure, the second column contains the product name (the value being looked up), so the formula uses the number 2.

## Why am I getting #ref in VLOOKUP?

The #REF! error shows when a formula refers to a cell thats not valid . This happens most often when cells that were referenced by formulas get deleted, or pasted over.

## How do you do an index?

The Rules of Index EntriesUse nouns the reader is likely to look for. Whenever possible, index entries should begin with nouns or noun phrases. Use lowercase letters. Use subentries to make things easier to find. Set image references in bold or italics. Use cross-references as needed. You dont need to include everything.

## What does the argument Column_index_number mean?

argument column_index_number mean. the number/position of column in table array from which the Value has to be picked. Step-by-step explanation: in vlookup formula.

## How do I know if I have Xlookup?

If you already have Office 365 Home, Personal, or University edition, you already have access to XLOOKUP. All you need to do is join the Office Insider program. To do this, go to the File tab, click on Account and then click on the Office insider option.

## How do I activate Xlookup?

Click the Lookup & Reference option on the Formulas tab followed by XLOOKUP near the bottom of the drop-down menu to open its Function Arguments dialog box. Click cell D4 in the worksheet to enter its cell reference into the Lookup_value argument text box.

## Why is my VLOOKUP returning NA when value exists?

The most common cause of the #N/A error is with VLOOKUP, HLOOKUP, LOOKUP, or MATCH functions if a formula cant find a referenced value. For example, your lookup value doesnt exist in the source data. In this case there is no “Banana” listed in the lookup table, so VLOOKUP returns a #N/A error.