The Roundcube webmail client is available in 80+ languages, and Webmail Classic is available in English, Bulgarian, Chinese, French, German, Romanian, Serbian, Slovenian, and Spanish. There are two themes available for Roundcube (one of them is responsive) and ten themes for Webmail Classic.

The process of changing the theme and language will vary depending on your webmail client of choice:

Roundcube

To change the language and theme in Roundcube, you need to open the Settings task from the main menu, select the Preferences setting, and select the User Interface option from the preferences list.

You can change the language via the Language drop-down menu from the Main Options sub-section. Roundcube will try to select the language automatically for you when you log in based on your computer's operating system language.

To change the theme in Roundcube, you need to use the radio button from the Interface Skin sub-section.

The following official Roundcube themes are supported:

Elastic
(Roundcube's first official responsive skin with support for desktops, tablets, and phones)

Overview of Elastic theme for Roundcube
 


 Larry

Overview of Larry theme for Roundcube

 

You can find more screenshots of these themes on Roundcube's website.

Webmail Classic

To change the language in Webmail Classic, follow these steps:

  1. Select the Options tab from the main menu.
  2. Select the General Options option.
  3. Choose your preferred language from the Interface language drop-down menu at the bottom of the page.
  4. Finally, click on the Update button to apply the new language.

You can change the theme in Webmail Classic by using the theme drop-down menu located in the top-right corner of the screen. This menu is available on all Webmail Classic pages.

The following themes are available for use in Webmail Classic:

Default

Webmail Classic Default Theme


Green

Webmail Classic Green Theme


Blue

Webmail Classic Blue Theme


Purple

Webmail Classic Purple Theme


Magenta

Webmail Classic Magenta Theme


Grass

Webmail Classic Grass Theme


Grey

Webmail Classic Grey Theme


Wheat

Webmail Classic Wheat Theme


Black

Webmail Classic Black Theme


Steel

Webmail Classic Steel Theme