Abbreviation expander with 26,000 short forms TypFast works to increase typing speed by reducing the number of keystrokes needed. This also reduces the risk of developing RSI. It includes a customizable database of over 26,000 short forms, which are the first 1 to 7 letters of the word or phrase they expand to. This makes them easy to anticipate. When letters typed are a short form for a longer word, this word appears in a display panel, and pressing the space bar expands them to that word.