The Message Text category most commonly contains error messages and labels for user interface actions, but is the general category for any localizable text that does not fall into one of the other categories. The Message Text files are completely user-maintained, while the maintenance of the entries in the other two categories is automated via various generation tools. Since this category is not maintained by automated tools, and since the resulting run-time bundle is the same ListResourceBundle subclass that it would be if the information were stored in a ListResourceBundle source code file, the use of .rbInfo file format is optional for Message Text.

The following sections describe the resource info files for Message Text.