Spelling, tone and grammatical mistakes can make you look careless.<ul><li>Don't rely on spell-checkers.</li><li>Proofread your work.</li><li>Use a dictionary to look up any words that you're unsure about. </li><li>Reading your work aloud makes it easier to catch typos and tone errors.</li><li>Give yourself time to reflect on your document, and to make any final changes.</li></ul>

Not Editing Your Work

It can be tempting to stereotype new colleagues or clients, or to make assumptions about them based on just a few pieces of information.Set time aside to listen when you meet someone new. Give them space to talk about their viewpoints and take time to absorb these.

Not Keeping an Open Mind

Assertiveness is about stating what you need while considering the wants and needs of others. Assertiveness also means saying "no" when you need to.

Not Being Assertive

Written communication channels don't allow you to soften difficult messages with nonverbal cues.Delivering a message in person makes it easier to pick up on signs that people have misunderstood parts of your message.

Delivering Bad News by Email

Strong emotional reactions can damage your reputation. Instead, try and respond calmly.

Reacting, Not Responding

Poorly-prepared presentations, reports, or emails frustrate your audience and can, over time, damage your reputation.<ul><li>Set aside time to plan your communication thoroughly.</li><li>Create a credible, intelligent, and compelling message that emotionally and intellectually appeals to your audience.</li><li>Leave time to proofread and to finalize your presentation.</li></ul>

Not Preparing Thoroughly

Always take time to check that people have understood your message.To check that you've been understood correctly, use open questions that start with "how," "why" or "what." These encourage reflection and will help your audience to explain what they have taken from your communication.

Assuming Your Message Has Been Understood

Forwarding sensitive email to the wrong person, or sending an incorrect attachment can cause serious problems.It might be helpful to draft emails in a word processing document or blank email, and then to paste the text into a new message. Only then select the recipient.

Accidentally Violating Others' Privacy

It's tempting to try to avoid difficult conversations, but this can cause further problems.<ul><li>Preparation is key to handling difficult conversations.</li><li>Use tools such as the Situation – Behavior – Impact technique to encourage your people to reflect on their behavior.</li><li>Role-play your conversation first.</li></ul>

Avoiding Difficult Conversations

You may overlook people's different personalities, needs and expectations with a One-size-fits-all approach.Your communications need to address those differences as much as possible so that everyone can benefit from your session.

Using a "One-Size-Fits-All" Approach 

Avoiding Communication Blunders and Misunderstandings It can be embarrassing to make mistakes with communication. For example, if you send an email without checking it, and later realize that it contained an error, you can end up looking sloppy and unprofessional. But other communication mistakes can have more serious consequences.

Not Being Assertive

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