1. Introduction Internal work-related emails sometimes blur the line between spoken and written English, as they can entertain groups of people in different positions at a shared corporate event while providing limited rigor in matter of styles and formalities. For example, an internal company-wide activity collecting opinions via email may involve both grammatically complex texts and spoken-word texts containing a single simple sentence. . The article observes and concludes some aspects of the linguistic features used from a group of internal problem-solving emails developed on the same topic (in total 36 emails), which were collected in Hong Kong from the daily operation service, market data flow. flow, of the Financial and Risk departments of Thomson Reuters Corporation, one of the world leaders in media and information, based on analyzes of elements of the language used from the perspective of metafunctions, (Haliday 2004) and discussions on their possible contributions to convey meanings and constitute texts. According to Amrin (2004), metafunction, which finds its conceptual origin in the systemic functional grammar approach (Haliday), could be technically specified in three functions: ideational, interpersonal and textual. That is, “representing experience,” “exchanging experience,” and “organizing experience.” Thus, the results presented and the discussion on the features of the language used will be criticized mainly under the three functions. However, although observing and analyzing the metafunctions of the speech tool and adopting face-to-face conversation measures to ensure the accuracy of interpretation, the results suggested in this article may be lacking to some extent of conviction due to: 1) limited technical knowledge, 2) limited knowledge of Thomson Reuters Corporation's culture and communication habits, and 3) small size