| Subject | English | Bulgarian |
| comp., MS | Customer Experience Improvement Program | Програма за продуктови подобрения, базирана на информация от клиентите (A Microsoft program that invites customers to provide Microsoft with more detailed information about how the software is used including the type and frequency of errors, software and hardware performance, and feature usage. This information is anonymous and voluntary, and is used strictly for the purposes of software development) |
| energ.ind. | energy efficiency improvement programmes | програми за повишаване на енергийната ефективност |
| comp., MS | Help Improvement program | Програма за подобряване на помощта (A feature that helps Microsoft identify trends in the way Help is used so that Microsoft can improve the search results and the relevancy of the content) |