# admin/setting/modulesecurity

<div class="mw-content-ltr mw-parser-output" dir="ltr" id="bkmrk-activities-managing-" lang="en">

- [<span class="tocnumber">1</span> <span class="toctext">Manage activities</span>](#bkmrk-manage-activities)
    - [<span class="tocnumber">1.1</span> <span class="toctext">Number of activities</span>](#bkmrk-number-of-activities-1)
    - [<span class="tocnumber">1.2</span> <span class="toctext">Version</span>](#bkmrk-version)
    - [<span class="tocnumber">1.3</span> <span class="toctext">Hiding a module</span>](#bkmrk-hiding-a-module)
    - [<span class="tocnumber">1.4</span> <span class="toctext">Module deletion</span>](#bkmrk-module-deletion)
    - [<span class="tocnumber">1.5</span> <span class="toctext">Settings</span>](#bkmrk-settings)
- [<span class="tocnumber">2</span> <span class="toctext">Common activity settings</span>](#bkmrk-common-activity-sett-1)
- [<span class="tocnumber">3</span> <span class="toctext">Reducing the number of activities listed in the activity chooser</span>](#bkmrk-reducing-the-number--1)
- [<span class="tocnumber">4</span> <span class="toctext">Managing activities in several languages</span>](#bkmrk-managing-activities--1)

</div>## <span class="mw-headline" id="bkmrk-manage-activities">Manage activities</span>

From *Administration &gt; Site administration &gt; Plugins &gt; Activity modules &gt; Manage activities*, the administrator can view a list of activities and manage their settings.

<figure class="mw-default-size" id="bkmrk-manage-activities-1">[![300px-activity&#95;modules&#95;admin.png](https://docs.moodle.org/503/en/images_en/thumb/d/df/activity_modules_admin.png/300px-activity_modules_admin.png)](https://docs.moodle.org/503/en/File:activity_modules_admin.png)<figcaption>Manage activities</figcaption></figure>### <span class="mw-headline" id="bkmrk-number-of-activities-1">Number of activities</span>

The activities column lists how many activities for each module there are on your Moodle site. If you click on a number, the list of courses containing that activity will be displayed.

### <span class="mw-headline" id="bkmrk-version">Version</span>

The numbers against the modules tell you the version (or age) of the module. It is useful to know how up to date each module is and, particularly with contributed modules, it is important to ensure you have the most up to date version that matches [your version of Moodle](https://docs.moodle.org/503/en/Moodle_version "Moodle version"). The first four digits relate to the year of the module.

### <span class="mw-headline" id="bkmrk-hiding-a-module">Hiding a module</span>

The hide/show column allows selected modules to be hidden i.e. they do not appear in any course "Add an activity" dropdown menu and cannot be used in any course. To hide a module, click the eye icon so that it changes to a closed eye.

### <span class="mw-headline" id="bkmrk-module-deletion">Module deletion</span>

Apart from the [Forum activity](https://docs.moodle.org/503/en/Forum_activity "Forum activity"), any module can be deleted using the link in the delete column. There is no reason for standard modules to be deleted, however contributed modules may need to be deleted before upgrading.

Note: To delete a module completely, in addition to deleting it on the manage activities page, you also need to remove/delete the actual module folder from the *moodle/mod* folder, otherwise Moodle will reinstall it next time you access the site administration.

### <span class="mw-headline" id="bkmrk-settings">Settings</span>

Many of the modules have additional settings, mostly enabling default values to be set, which can be accessed via the links in the settings column.

## <span class="mw-headline" id="bkmrk-common-activity-sett-1">Common activity settings</span>

From *Administration &gt; Site administration &gt; Plugins &gt; Activity modules &gt; Common activity settings*, the administrator can decide whether or not to force teachers to add a description to the activity or resource they are creating. The setting applies to all standard activities and resources on the site.

## <span class="mw-headline" id="bkmrk-reducing-the-number--1">Reducing the number of activities listed in the activity chooser</span>

By default, managers and teachers can add any activity module enabled on the site to a course. However, the list of activities in the activity chooser (or 'Add an activity' dropdown menu) may be reduced in number by preventing the capability to add instances of particular activity modules.

## <span class="mw-headline" id="bkmrk-managing-activities--1">Managing activities in several languages</span>

The [restriction by language ](https://moodle.org/plugins/availability_language) availability condition additional plugin makes it easy to show an English resource only to English users and an activity in French only to French speaking students. See [this forum thread](https://moodle.org/mod/forum/discuss.php?d=345816) for an example.

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<small>Source: [docs.moodle.org/503/en/admin/setting/modulesecurity](https://docs.moodle.org/503/en/admin/setting/modulesecurity) — MoodleDocs (GPL) · Imported 2026-11-10.</small>