---
title: "Editing Tag Values"
canonical: "https://docs.rubiconwater.com/space/DMNC/2053669491/Editing%20Tag%20Values"
format: markdown
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> Macro (toc)

Edit tag values one at a time. You can change or delete old values, and add new values from the Data Editor.

**Step 1**

In the Data Editor module click **Find Tags** to open the tag chooser and select the tag whose data you want to edit.

**Step 2**

Leave the date fields blank to load all available values or filter the data by entering a **Start Date** and/or an **End Date**, then click **Find** to load the available data.

**Step 3**

When the data has loaded, click **Edit** to start editing data.

> ℹ️ **Note**
> ℹ️ 
> ℹ️ Changes are not finalized until you **Save** them, and leave Edit mode. While you are in Edit mode, you can see both the original data and any changes you have made, and you can cancel any or all changes.
> ℹ️ 
> ℹ️ Use **Undo** to cancel individual changes and **Cancel** to cancel all changes.

You can make the following changes to the data:

| **Option** | **Description** |
| --- | --- |
| Modify | Select a value and click the modify icon or double-click the value to edit the date and value of the data.<br>In Edit mode, the old value is highlighted in red, and the new value is highlighted in green. |
| Delete | Select a value and click the delete icon. You will be asked to confirm the change.<br>In Edit mode, deleted values are highlighted in red. |
| Add | Add a new data value and provide a time and date.<br>In Edit mode, new values are highlighted in green. |
| Undo | Select a changed row and click Undo to cancel that particular change and stay in Edit mode. Use the Cancel button to cancel all changes and leave Edit mode. |

> ℹ️ **Note**
> ℹ️ 
> ℹ️ Changes are validated when you add or modify values. The Data Editor displays an error message if you attempt to enter invalid data.

**Step 4**

When you have finished editing, review the changes to the data. Data that will be changed is highlighted in the Data Editor.

- Values that will be changed or deleted are highlighted in red
- New or updated values are highlighted in green.

You can use the filters at the top right of the table view to show *All* values, *New* values, or *Old* values.

**Step 5**

When you are satisfied with your changes, click **Save** to apply your changes to the database.

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