Are your email messages too casual? Or, are they too formal? Are you using the appropriate tone?
Email messages are different from typed letters. You cant be too formal in a letter. In an email, too formal looks silly. Whats the appropriate tone for an email? — slightly more casual than a letter. Yet, theres a fine line between being too relaxed and too stiff.
To some degree, the attitude and culture of your company will dictate the amount of formality necessary. For example, floral shops and hotels wont be as formal as a bank or law firm.
As you compose the message, consider the person who will be reading it. Know your audience.
The job gets easier when youre replying to a message. You can already see the tone of the sender. All you have to do is match that tone.
When in doubt, strive for a tone that is professional, yet conversational. One easy way to achieve a conversational tone is to use contractions (Ill, well, hes, shes).
Also, its acceptable to use pronouns. In conversation, we use the words I, we, you. So, use these in emails. For example, It is suggested . . . sounds very stiff. Instead, try, I...