> For the complete documentation index, see [llms.txt](https://enercalc.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enercalc.com/docs/sel-faq/using-the-software/general-operation/changing-default-values.md).
# Changing Default Values
How to change the default input values in SEL calculation modules and revert to as-installed defaults.
## How can the default values be changed within the calculation modules?
Most input values in calculation modules have stored default values or settings. You can change many of them:
1. Open a new calculation of the particular module of interest.
2. Revise all of the initial values and settings as desired so that they represent the desired default values or settings.
3. On the top menu bar, select **Settings**.
4. Select **Default Values > Save**.
The program saves the current values as that module's defaults, and it uses them when you add a calculation to a Project File.
## How can I revert to the original default values as-installed for all calculation modules?
The easiest way to revert to the original defaults is to delete `EC6DefValues.tps`, which is typically located at `C:\Users\[username]\Documents\ENERCALC Data Files`.
## How can I reset the defaults for a single calculation module?
No built-in command resets one module's defaults to its as-installed values. Deleting `EC6DefValues.tps` resets every module.
To restore a reasonable set of defaults for a single module without affecting the others:
1. Open a calculation of that module that has a generic, representative setup. A good source is the `examples.ec6` Project File installed with ENERCALC, typically located at `C:\Users\Public\Documents\ENERCALC Common Data Files\examples.ec6`.
2. Confirm the input values and settings are the ones you want as defaults.
3. On the top menu bar, select **Settings**.
4. Select **Default Values > Save**.
This overwrites only that module's stored defaults, leaving the other modules untouched.
{% hint style="info" %}
**NOTE:** This re-saves defaults from an example calculation rather than the original as-installed values, so it produces a sensible generic starting point rather than an exact factory reset for that single module.
{% endhint %}
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