Guide: How to Say a Side Note

When engaging in conversations, both in formal and informal settings, you might come across situations where you need to interject with a side note. Expressing a side note allows you to add additional information or make a relevant comment without deviating from the main topic of discussion. In this guide, we will explore various ways to say a side note, providing examples and tips along the way.

Formal Ways to Say a Side Note

When you find yourself in a formal conversation or a professional setting, it’s essential to express your side note with a level of professionalism. Here are a few phrases you can use:

1. By the way

Example: “By the way, I wanted to mention that the budget for the project has been approved.”

2. As an additional point

Example: “As an additional point, it’s worth considering the potential impact on customer satisfaction.”

3. It’s worth mentioning

Example: “It’s worth mentioning that our competitors have recently launched a similar product.”

4. As a side note

Example: “As a side note, I wanted to inform you that the deadline has been extended.”

Informal Ways to Say a Side Note

In casual conversations or among friends, you have more flexibility in expressing your side notes. Here are a few informal phrases you can use:

1. Just so you know

Example: “Just so you know, I won’t be able to attend the party this weekend.”

2. Oh, and another thing

Example: “Oh, and another thing, did you hear about the new restaurant opening downtown?”

3. By the by

Example: “By the by, I found this amazing deal online that you might be interested in.”

4. On a side note

Example: “On a side note, have you seen the latest episode of that new TV show?”

Tips for Effective Side Note Expressions

Now that you are familiar with various ways to say a side note, here are some tips to enhance your communication:

1. Use appropriate timing

Wait for an appropriate break in the conversation or a pause where your side note will naturally fit in.

2. Maintain relevance

Ensure that your side note is related to the topic being discussed to avoid derailing the conversation.

3. Keep it concise

Avoid going into unnecessary details. Express your side note succinctly, so it doesn’t take up too much time or distract from the main discussion.

4. Consider the tone

Adapt your side note expression to the conversation’s tone and formality level. Use formal phrases in professional settings and informal phrases among friends or acquaintances.


Effectively expressing a side note allows you to offer additional information or comment without interrupting the main conversation. Whether you are in a formal or informal setting, there are numerous ways to interject with a side note. By using phrases like “By the way,” “As an additional point,” “Just so you know,” or “Oh, and another thing,” you can smoothly incorporate these comments into your dialogue. Remember to consider appropriate timing, relevance, and conciseness to ensure your side note is well-received. So go ahead, confidently express your side notes, and make your conversations more engaging and informative!

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