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Data validation


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Add new items to a drop down list automatically

A drop down list in excel prevents a user from entering an invalid value in a cell. Did you know that you […]

Quickly change chart data source

In excel it is not easy to change a chart´s data source without manually changing the data source in chart […]

Prevent duplicate records [Data Validation]

Debra Dalgleish demonstrated last week how to block duplicate entries in excel table. I made a comment and I thought I would share […]

Use drop down lists to compare data series in an excel chart

The two drop down lists below the chart let´s you compare two data series from separate tables. It is easier […]

Use a map in an Excel chart

This post describes how to add a map (background picture) to a chart. The following animated picture shows a scatter […]

Dynamic data labels in a chart

My fascination for charts and vba continues (see previous posts). This post demonstrates how to highlight a group of values […]

Run a Macro from a Drop Down list [VBA]

This article demonstrates how to execute a VBA macro using a Drop Down list. The Drop Down list contains two […]

How to change cell formatting using a Drop Down list

This article demonstrates how to apply different cell formatting to a cell range based on a Drop Down list, column […]

Prevent overlapping date and time ranges using data validation

The picture above shows an Excel Table with Data Validation applied. An error dialog box appears if a user tries […]

How to use an Excel Table name in Data Validation Lists and Conditional Formatting formulas

This article demonstrates different ways to reference an Excel defined Table in a drop-down list and Conditional Formatting. There are […]

Populate drop down list with filtered Excel Table values

This article demonstrates how to populate a drop down list with filtered values from an Excel defined Table. The animated […]

Use a drop down list to filter and concatenate unique distinct values

Question: Is there a way to have a unique list generated from a list? Meaning I have a sheet that […]

Add or remove a value in a drop down list programmatically

This article demonstrates how to add or remove a value in a regular drop down list based on a list […]

Use a drop down list to display data in worksheet header [VBA]

Aynsley Wall asks: I have a spreadsheet that I use for 3 different companies. What I would really like to […]

Apply drop-down lists dynamically

This article demonstrates how to automatically create drop-down lists if adjacent data grows, there are two methods explained here. The […]

Dependent drop-down lists in multiple rows

This article demonstrates how to set up dependent drop-down lists in multiple cells. The drop-down lists are populated based on […]

Basic invoice template

Rattan asks: In my workbook I have three worksheets; "Customer", "Vendor" and "Payment". In the Customer sheet I have a […]

Use a drop down list to search and return multiple values

I will in this article demonstrate how to use a value from a drop-down list and use it to do […]

Change chart data range using a Drop Down List [VBA]

In this article I will demonstrate how to quickly change chart data range utilizing a combobox (drop-down list). The above […]

Change PivotTable data source using a drop-down list

In this article, I am going to show you how to quickly change Pivot Table data source using a drop-down […]

Dependent drop down lists – Enable/Disable selection filter

Josh asks: I have this working right now with 6 drop downs/lists. I wanted to see if you possibly know […]

Create a drop down calendar

The drop down calendar in the image above uses a "calculation" sheet and a named range. You can copy the drop-down […]

Invoice template with dependent drop down lists

This article demonstrates a basic invoice template I created. It lets you use dropdown lists to quickly select products on […]

Create dependent drop down lists containing unique distinct values in multiple rows

Sharmila asks: How can i use these list for multiple rows? I would like to use these lists for multiple […]

Apply dependent combo box selections to a filter

Josh asks: now if i only knew how to apply these dependent dropdown selections to a filter, i'd be set. […]

Create a drop down list containing alphabetically sorted values

This article describes how to create a drop-down list populated with sorted values from A to Z. The sorted list […]

Create dependent drop down lists containing unique distinct values

This article explains how to build dependent drop down lists. Here is a list of order numbers and products. We […]

Populate drop down list with unique distinct values sorted from A to Z

Question: How do I create a drop-down list with unique distinct alphabetically sorted values? Table of contents Sort values using […]