A custom countries.json file can add, change, or remove the countries that appear in menus within WHMCS and their calling codes.
The Localisation tab in General Settings allows you to configure settings for the localization system, including date and phone number formats, the default language, the system character set, and more.
The localization system allows WHMCS to display in 25 supported languages from around the world. You can also customize translations for your own products or tailor the WHMCS-provided translations to suit your business.
You can configure how dates display for admins and for clients. This allows you to display locale-specific date formats to your customers and staff.
You can customize text in WHMCS using the localization system. This allows you to set your own translations in your customers' languages or update the messages they see for your brand.
You can choose whether to allow customers to select the language that they see in the Client Area from a list of WHMCS's supported languages.
You can customize email templates for multiple locales, to ensure that your clients receive emails in their preferred language.