How Do I Change Data Type in Visio?


Heather Bennett

Visio is a powerful tool that allows users to create diagrams and visual representations of data. One common task that users may need to do in Visio is changing the data type of a shape or object. Fortunately, this can be easily achieved by following a few simple steps.

Changing Data Type in Visio

If you are working with a shape in Visio and need to change its data type, the following steps will guide you through the process:

Step 1: Select the Shape

To begin, select the shape that you want to change the data type for. You can do this by simply clicking on the shape with your mouse.

Step 2: Access the Shape Data Window

Once you have selected the shape, navigate to the “Data” tab in the Visio ribbon. Here, you will find an option called “Shape Data”. Click on this option to open the Shape Data window.

Step 3: Edit Shape Data

In the Shape Data window, you will see a list of all the data fields associated with your selected shape. Locate the data field that you want to change and click on it to select it.

Note: If your desired data field is not present in the list, you may need to add it first. To add a new data field, click on the “Add” button in the Shape Data window and follow the prompts.

Step 4: Change Data Type

With your desired data field selected, click on the “Type” dropdown menu located at the bottom of the Shape Data window. This dropdown menu contains various predefined data types that you can choose from.

Note: The available data types may vary depending on the version of Visio you are using. However, common data types include text, number, date/time, and boolean.

Step 5: Apply the Changes

After selecting the desired data type from the dropdown menu, click on the “OK” button to apply the changes. You will now see that the data type for your selected shape has been successfully updated.


In conclusion, changing the data type in Visio is a straightforward process that can be accomplished by following a few simple steps. By accessing the Shape Data window and selecting the desired data field, you can easily modify its data type using the dropdown menu. Remember to apply your changes to see them take effect.

Note: It is important to note that changing the data type of a shape may have implications for any connected data or formulas associated with it. Therefore, it is recommended to review and update any related data or formulas accordingly after making changes to a shape’s data type.

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