“I will let you know” is a common phrase used in both personal and professional communication to indicate that you will provide information or a decision at a later time. While it’s perfectly acceptable, using alternative phrases can help diversify your language and convey different levels of formality, certainty, or tone.
Professional Alternatives
- I’ll keep you posted
- I’ll get back to you
- I’ll follow up with you
- I’ll update you as soon as I can
- Expect an update from me shortly
- I’ll inform you as soon as possible
Casual Alternatives
- I’ll let you know soon
- I’ll text you later
- I’ll hit you up
- I’ll drop you a line
- I’ll fill you in
More Formal or Polished Options
- I will advise you shortly
- I’ll notify you when I have more information
- I’ll revert back once I’ve confirmed
- You’ll be the first to know
- Kindly await my update
Industry-Specific Examples
| Industry | Alternative Phrase |
|---|---|
| Customer Support | We’ll keep you informed via email |
| Project Management | I’ll circle back with the details |
| Sales | I’ll reach out with the proposal soon |
| Healthcare | We’ll contact you with your results |
Conclusion
Using a variety of alternatives to “I will let you know” can enhance the clarity, tone, and professionalism of your communication. Whether you’re sending a casual text or writing a formal email, the right phrase can make your message more appropriate and effective.
FAQ
What is the most professional way to say “I will let you know”?
“I will keep you posted” or “I will follow up with you” are among the most professional alternatives.
Is “I’ll get back to you” appropriate in a formal email?
Yes, it’s acceptable in most professional settings, but for more formality, consider “I will respond once I have more details.”
Can I use “I’ll let you know” in customer service?
You can, but it’s better to use more specific phrases like “We’ll update you shortly” or “You’ll receive an email with more information.”
What’s a casual way to say “I’ll let you know” to a friend?
Try saying “I’ll hit you up later” or “I’ll text you when I know.”
Name That Term 
Leave a comment