# Subprograms

Any program in TRIK Studio can be saved as a subprogram and used in another program.

Subprograms [can be saved](/en/studio/programming-visual/subprograms.md#save) to a local collection or [exported](/en/studio/programming-visual/subprograms.md#export) to a separate file for transfer to other computers.

To work with the collection of subprograms, use the menu item `Tools → Subprograms`:

1. [Export to file](/en/studio/programming-visual/subprograms.md#export).
2. [Import from file](/en/studio/programming-visual/subprograms.md#import).
3. [Save to collection](/en/studio/programming-visual/subprograms.md#save).
4. [Load from the collection](/en/studio/programming-visual/subprograms.md#load).
5. [Clear collection](/en/studio/programming-visual/subprograms.md#delete).

![](/files/-MSiNTsjik8e8YlofGuU)

## Export to file <a href="#export" id="export"></a>

{% hint style="info" %}
Use the export of subprograms to a file to transfer them to other computers. If you plan to use the subprograms on your computer, then use the option [Save to collection](/en/studio/programming-visual/subprograms.md#save).
{% endhint %}

To export subprograms from an open project to a separate qrs file, select `Tools → Subprograms → Export to file` in the main menu.

All subprograms from the current project will be exported to this file.

![](/files/-MSiNYQtANwVxHcN688y)

## Import from file <a href="#import" id="import"></a>

To load previously-stored subprograms, select `Tools → Subprograms → Import from file` in the main menu.

{% hint style="danger" %}
**Attention!** If the imported file contains subprograms with the same names as in the current project, then the subprograms from the project will be replaced by imported ones.
{% endhint %}

## Save to collection <a href="#save" id="save"></a>

{% hint style="info" %}
To transfer subprograms to other computers, use the [export](/en/studio/programming-visual/subprograms.md#export) function.
{% endhint %}

To save routines from the current project, select `Tools → Routines → Save to Collection` from the main menu.

![](/files/-MSiNo7oB2Yq8UG1CXPT)

Then select the subprograms you want to save and click OK.

![](/files/-MSiNsojYMiZe8ct4bo-)

{% hint style="danger" %}
**Attention!** If there are subprograms with the same names in the collection, they will be overwritten.
{% endhint %}

## Load from collection <a href="#load" id="load"></a>

To load subprograms from the collection, select `Tools → Subprograms → Download` from the collection from the main menu.

![](/files/-MSiNxSKr4Ybr-c_mNY9)

Then select the subprograms that you want to import into the current project, and click OK.

![](/files/-MSiO-bIlzZpnjsR5-h_)

## Clear collection <a href="#delete" id="delete"></a>

To delete all subprograms saved in the collection, select `Tools → Subprograms → Clear` collection in the main menu.

{% hint style="info" %}
The collection of subprograms is stored in the user directory and is not lost when uninstalling or reinstalling TRIK Studio.
{% endhint %}


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