| Subject | English | Bulgarian |
| comp., MS | file format | файлов формат (The structure or organization of data in a file. File format is usually indicated by the file name extension) |
| comp., MS | Tagged Image File Format | Графичен формат на файлово изображение (A high resolution, tag-based image format used for scanning, storing, and combining graphic images) |
| comp., MS | XPS Document file format | файлов формат XPS за документи (An open, cross-platform document format that allows customers to effortlessly create, share, print, and archive paginated documents) |