- Increases the font of text
- Searches for a value in the column
- Prints the content of an Excel sheet
- Deletes a value in the column
The VLOOKUP function in Excel is a powerful tool that allows users to search for a specific value in a column of a table and return a corresponding value from another column in the same row. VLOOKUP stands for “Vertical Lookup” and is used to retrieve information from a dataset organized vertically, with data arranged in columns.
VLOOKUP Function Syntax
The VLOOKUP function has the following syntax:
=VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
- lookup_value: The value you want to search for in the first column of the table_array.
- table_array: The range of cells containing the data you want to search.
- col_index_num: The column number in the table_array from which you want to retrieve the corresponding value. The first column has a col_index_num of 1, the second column has a col_index_num of 2, and so on.
- range_lookup (optional): A logical value (TRUE or FALSE) that indicates whether you want to find an approximate match (TRUE) or an exact match (FALSE). If omitted, the function defaults to TRUE, meaning it will search for an approximate match.
How VLOOKUP Works
The VLOOKUP function works by searching for the specified lookup_value in the first column of the table_array. Once it finds a match, it moves horizontally across the row to the specified col_index_num and returns the value found in that cell.
If the range_lookup is set to TRUE and an exact match is not found, VLOOKUP will return the next smaller value. If range_lookup is set to FALSE, VLOOKUP will return an error (#N/A) if an exact match is not found.
Examples of Using VLOOKUP Function
Here’s an example to illustrate how the VLOOKUP function works. Consider the following dataset containing employee information:
Suppose you want to find the department of the employee with the ID 1003. You can use the VLOOKUP function as follows:
=VLOOKUP(1003, A1:D4, 3, FALSE)
In this case, the lookup_value is 1003, the table_array is A1:D4, the col_index_num is 3 (since the Department is in the third column), and the range_lookup is set to FALSE to search for an exact match. The function will search for the value 1003 in the first column of the table_array, find it in row 3, and return the corresponding value from the third column (the Department), which is “HR”.
Limitations of VLOOKUP Function
While VLOOKUP is a powerful function, it has some limitations:
- Left-to-right lookup only: VLOOKUP can only search for values in the first column of the table_array and return values from columns to the right. It cannot return values from columns to the left of the lookup column.
- Case-insensitive: The VLOOKUP function is case-insensitive, meaning it will treat “Apple” and “apple” as the same value.
- Error-prone with large datasets: VLOOKUP may return incorrect results or errors when working with large datasets, especially if there are duplicate lookup values or if the data is not sorted properly when using an approximate match (range_lookup set to TRUE).
- Requires exact matches: When searching for an exact match (range_lookup set to FALSE), VLOOKUP will return an error (#N/A) if an exact match is not found, even if there is a close match.
- Not suitable for dynamic data: VLOOKUP does not automatically update the table_array range when new data is added to the dataset. Users must manually update the range to include new data or use dynamic range references.
Alternatives to VLOOKUP
Given the limitations of the VLOOKUP function, there are alternative functions in Excel that can provide more flexibility and accuracy in certain situations:
- HLOOKUP: Similar to VLOOKUP, HLOOKUP searches for a value in the first row of the table_array and returns the corresponding value from a specified row. It is used for data arranged horizontally, with data organized in rows.
- INDEX and MATCH: The combination of the INDEX and MATCH functions allows for more flexibility than VLOOKUP, as it can perform both left-to-right and right-to-left lookups and is less prone to errors in large datasets.
- XLOOKUP: Available in newer versions of Excel (Excel for Microsoft 365 and Excel 2021), XLOOKUP is a more powerful and versatile alternative to VLOOKUP. It can perform left-to-right and right-to-left lookups, does not require data to be sorted, and can return multiple values from the same row or column.