Writing in all capital letters affects the readability of an email how?

Writing in all capital letters decreases readability due to several factors. When text is presented in all caps, the uniform height of the letters can make it harder for readers to distinguish between different words at a glance. This impairs the ability to quickly scan and comprehend the information being communicated. Additionally, the lack of variation in letter height disrupts the natural patterns the eyes follow when reading. Readers often rely on these visual cues to speed up their reading process, and all-caps text removes that familiar structure.

Furthermore, text in all capitals can give an impression of shouting or aggression, which might detract from the intended tone of the message. This can lead to a negative reception from the audience, reducing the effectiveness of the communication. In professional correspondence, clarity and tone are crucial; writing in uppercase does not align with best practices for effective and reader-friendly communication.