# Folder structure

 The table below provides an overview of the default folder structure of an e107 installation:

| Folder          | Can be modified         | Description                                                                                                                                           |
| --------------- | ----------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
| e107\_admin     | No                      | Contains main files used for the admin area.                                                                                                          |
| e107\_core      | No                      | <p>Contains core assets. <br><em>You should <strong>not</strong> make changes within this folder.</em></p>                                            |
| e107\_handlers  | No                      | <p>Contains core functions and classes. <br><em>You should <strong>not</strong> make changes within this folder.</em></p>                             |
| e107\_images    | Not usually             | <p>Contains core images. <br><em>You should <strong>not</strong></em> <em><strong>normally</strong> need to make changes within this folder.</em></p> |
| e107\_languages | Not the English folder. | <p>Contains core language files.</p><p><em>Themes and plugins have their own language folder</em></p>                                                 |
| e107\_media     | Not usually             | Contains Media such as downloadable images or files which are specific to your installation.                                                          |
| e107\_plugins   | Yes                     | <p>Contains all plugins, installed and uninstalled. <br><em>You may manually add plugins to this folder if need be.</em></p>                          |
| e107\_system    | Not usually             | Contains **private** files such as logs, plugin and theme downloads which are specific to your installation.                                          |
| e107\_theme     | Yes                     | <p>Contains all themes, installed and uninstalled. <br><em>You may manually add themes to this folder if need be.</em></p>                            |
| e107\_web       | No                      | Contains core *js* and *css* packages.                                                                                                                |