When you need to tell someone you will look into something and reply later, the phrase “I will check and get back to you” works in many situations. However, the best version depends on who you are talking to and the setting. In a formal email to a client, you might say “I will review the details and follow up with you shortly.” In a casual conversation with a coworker, “Let me look into it and let you know” sounds more natural. This guide explains the difference between formal and casual versions, gives you direct alternatives, and helps you choose the right tone for emails, workplace conversations, and everyday life.
Quick Answer: Which Version Should You Use?
Use a formal version when writing to a boss, client, professor, or someone you do not know well. Use a casual version when speaking with a colleague, friend, or family member. If you are unsure, choose a neutral version that is polite but not overly stiff. Below is a summary of the most common options.
- Formal: “I will review the matter and provide an update.”
- Neutral: “I will check and get back to you.”
- Casual: “Let me look into it and let you know.”
Understanding the Tone Difference
The phrase “I will check and get back to you” is already polite and clear. But the words you choose can change how professional or friendly you sound. Formal versions use words like “review,” “investigate,” “follow up,” and “provide an update.” Casual versions use words like “look into,” “find out,” “let you know,” and “get back to you.” The context also matters. In an email, you have time to choose your words carefully. In a quick conversation, shorter and more direct phrases feel natural.
When to Use Formal Versions
Use formal versions in professional emails, official messages, or when speaking with someone in a position of authority. These phrases show respect and thoroughness. They are also useful when the topic is serious or requires careful attention.
When to Use Casual Versions
Use casual versions with people you know well, in informal meetings, or in everyday conversation. These phrases sound friendly and approachable. They are also good for quick updates where you do not need to sound overly official.
Comparison Table: Formal vs Casual Versions
| Formal Version | Casual Version | Best Used In |
|---|---|---|
| I will review the details and follow up with you. | Let me look into it and let you know. | Email to a client vs. chat with a coworker |
| I will investigate the matter and provide an update. | I will check and get back to you. | Official request vs. everyday conversation |
| I will examine the information and respond shortly. | Let me find out and tell you. | Formal report vs. quick question |
| I will look into this and revert to you. | I will check and let you know. | Business email (British English) vs. casual talk |
| I will confirm the details and update you. | Let me double-check and get back to you. | Formal confirmation vs. friendly check |
Natural Examples in Context
Formal Email Examples
Example 1: “Dear Ms. Chen, Thank you for your inquiry. I will review the contract details and follow up with you by the end of the day.”
Example 2: “Dear Team, I will investigate the issue you raised and provide an update in tomorrow’s meeting.”
Example 3: “Dear Mr. Patel, I will examine the data and respond to your questions shortly.”
Casual Conversation Examples
Example 1: “Hey, can you check the schedule? Sure, let me look into it and let you know.”
Example 2: “Do you know if the report is ready? Not yet, but I will check and get back to you.”
Example 3: “Can you find out the meeting time? Let me find out and tell you in a minute.”
Neutral Examples (Works in Most Situations)
Example 1: “I will check and get back to you as soon as I have the information.”
Example 2: “Let me confirm the details and update you shortly.”
Example 3: “I will look into this and let you know what I find.”
Common Mistakes to Avoid
Mistake 1: Using “revert” incorrectly. In some business contexts, especially British English, “revert” means “get back to someone.” But in American English, “revert” usually means “go back to a previous state.” To avoid confusion, use “get back to you” or “follow up” instead.
Mistake 2: Being too vague. Saying “I will check” without any time frame can feel unhelpful. Add a short time reference like “later today” or “by tomorrow” when possible.
Mistake 3: Overusing “I will.” In casual conversation, “I will” can sound stiff. Use “Let me” or “I will” depending on the tone you want.
Mistake 4: Mixing formal and casual language. For example, “I will investigate the matter and let you know” sounds odd because “investigate” is formal and “let you know” is casual. Keep the tone consistent.
Better Alternatives for Specific Situations
For Professional Emails
- “I will review the information and provide an update.”
- “I will look into this matter and follow up with you.”
- “I will confirm the details and revert to you.” (British English)
For Workplace Speaking
- “Let me check and get back to you.”
- “I will find out and let you know.”
- “Let me look into it and update you.”
For Everyday Conversation
- “Let me check and tell you.”
- “I will find out and let you know.”
- “Let me look into it and get back to you.”
Mini Practice: Choose the Best Version
Read each situation and choose the most appropriate phrase. Answers are below.
Question 1: You are writing an email to a new client who asked about a delivery date. Which is best?
A) “Let me check and get back to you.”
B) “I will review the shipping details and follow up with you shortly.”
C) “I will look into it and let you know.”
Question 2: A coworker asks if you have the meeting notes. Which is best?
A) “I will investigate the matter and provide an update.”
B) “Let me check and let you know.”
C) “I will examine the notes and respond.”
Question 3: Your friend asks if you can go to the movies tonight. Which is best?
A) “I will confirm my availability and update you.”
B) “Let me check my schedule and tell you.”
C) “I will review my plans and revert.”
Question 4: You are in a team meeting and need to check a fact. Which is best?
A) “Let me look into it and get back to you.”
B) “I will investigate the fact and provide an update.”
C) “I will check and revert.”
Answers: 1-B, 2-B, 3-B, 4-A
Frequently Asked Questions
1. Is “I will check and get back to you” always polite?
Yes, it is a polite and clear phrase. However, in very formal situations, you may want to use a more detailed version like “I will review the information and follow up with you.”
2. Can I use “revert” in American English?
It is better to avoid “revert” in American English because it can cause confusion. Use “get back to you” or “follow up” instead.
3. Should I always add a time frame?
Adding a time frame is helpful but not always necessary. If you can, say something like “by the end of the day” or “later this afternoon” to set clear expectations.
4. What is the most neutral version?
“I will check and get back to you” is the most neutral version. It works in both formal and casual settings, though it leans slightly casual in very formal emails.
Final Tips for Choosing the Right Version
Think about your audience and the situation. If you are writing a formal email, choose a version with words like “review,” “follow up,” or “provide an update.” If you are speaking casually, use “look into,” “find out,” or “let you know.” When in doubt, use the neutral version “I will check and get back to you” and add a polite time reference. Practice using different versions in your daily conversations and emails to build confidence.
For more help with polite everyday phrases, visit our Polite Everyday Phrases section. If you need professional email alternatives, check out our Professional Email Alternatives page. For workplace speaking tips, see our Workplace Speaking Phrases guide. And for more comparisons like this one, explore our Formal and Casual Versions category.

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