The phrase “I will let you know” is often used in both casual and professional conversations when someone wants to express that they will share information or an update at a later time. For instance, when someone says, “I’ll let you know if I can come to the meeting,” they’re indicating that a decision hasn’t been made yet, but one will be communicated eventually.
Although this phrase is perfectly acceptable and widely used, relying on it repeatedly can make our language sound repetitive or overly casual in situations that might call for more variety, formality, or specificity. Whether you’re writing an email, speaking to a colleague, or texting a friend, learning a few alternative phrases can help improve clarity, tone, and professionalism.
In this article, we will look at 20 effective alternatives to “I will let you know,” offering explanations, examples, and appropriate usage contexts so that you can tailor your communication more precisely to any situation.
Other Ways to Say “I Will Let You Know”
1. I’ll keep you posted
Example: “We’re still finalizing the schedule, but I’ll keep you posted.”
Meaning: This phrase means that you will continue to provide updates as new information becomes available.
Usage: Often used in casual or semi-formal settings, especially in work environments or when coordinating with friends or colleagues.
2. I’ll inform you
Example: “Once the documents are approved, I’ll inform you right away.”
Meaning: A direct and clear way to say that you will provide someone with information.
Usage: Appropriate in professional, academic, or formal contexts where clear communication is necessary.
3. I’ll get back to you
Example: “That’s a good question—let me check and I’ll get back to you.”
Meaning: Implies that you need to find out more before giving a full response.
Usage: Common in work settings or customer service interactions, where you need time to gather information.
4. I’ll follow up with you
Example: “I don’t have the full details yet, but I’ll follow up with you later today.”
Meaning: Suggests that you will check back or revisit the matter at a later time.
Usage: Ideal for professional conversations where tracking or accountability is expected.
5. I’ll update you
Example: “We’re monitoring the situation and I’ll update you as soon as I know more.”
Meaning: Indicates a promise to share developments or new information.
Usage: Useful in both formal and informal conversations involving ongoing developments.
6. You’ll hear from me soon
Example: “The final decision will be made tomorrow, so you’ll hear from me soon.”
Meaning: Gives the listener confidence that communication will be made shortly.
Usage: Friendly and slightly formal, often used to reassure someone of an upcoming update.
7. I’ll reach out to you
Example: “Once the team has reviewed your proposal, I’ll reach out to you with feedback.”
Meaning: A professional way to express that you’ll initiate contact.
Usage: Common in business emails, customer relations, and networking situations.
8. I’ll let you in on the details
Example: “I don’t have everything finalized yet, but I’ll let you in on the details when I do.”
Meaning: Suggests that specific or confidential information will be shared later.
Usage: Slightly informal; works well when discussing plans or surprises.
9. I’ll notify you
Example: “If there are any changes to the meeting, I’ll notify you immediately.”
Meaning: A more formal way to say that you will inform someone.
Usage: Suitable for corporate, legal, or official communications.
10. I’ll be in touch
Example: “Thanks for your interest—I’ll be in touch once we make a decision.”
Meaning: Indicates future communication, without specifying when.
Usage: Polished and professional, often used at the end of meetings, interviews, or emails.
11. I’ll circle back
Example: “Let me check with the finance team and I’ll circle back to you.”
Meaning: Suggests you will return to the conversation or issue later after getting more information.
Usage: Common in workplace communication and business meetings.
12. I’ll let you have the details soon
Example: “I need a bit more time to finalize things, but I’ll let you have the details soon.”
Meaning: A polite way of saying that you will share complete information shortly.
Usage: Works well in semi-formal or professional communication where timelines are flexible.
13. I’ll send you an update
Example: “I’m currently compiling the feedback and I’ll send you an update by tomorrow.”
Meaning: Indicates that a written or digital communication will be provided with more information.
Usage: Especially useful in written communications like email, messaging platforms, or reports.
14. I’ll keep you in the loop
Example: “Even if I’m out of town, I’ll keep you in the loop on all developments.”
Meaning: Promises to include someone in all relevant updates or decisions.
Usage: Friendly and inclusive, often used in collaborative work environments.
15. I’ll touch base with you
Example: “I’ll touch base with you later this week about the project timeline.”
Meaning: Indicates a quick check-in or follow-up conversation will happen soon.
Usage: Widely used in business settings, especially in project coordination or planning.
16. I’ll come back to you
Example: “I need to double-check those numbers and I’ll come back to you shortly.”
Meaning: Assures the listener that the speaker will return with more information.
Usage: Direct and slightly formal—suitable in both spoken and written communication.
17. I’ll advise you shortly
Example: “Once we review the contract, I’ll advise you shortly on the next steps.”
Meaning: Indicates a formal response or guidance will be delivered soon.
Usage: Typically used in legal, financial, or business contexts when professional advice is expected.
18. I’ll respond when I have more information
Example: “I’m waiting on some confirmations—I’ll respond when I have more information.”
Meaning: Sets a clear expectation that a reply will be delayed until further clarity is obtained.
Usage: Appropriate in both personal and work-related conversations where uncertainty is involved.
19. I’ll give you a heads-up
Example: “I’m not sure yet about the final date, but I’ll give you a heads-up as soon as I know.”
Meaning: Suggests you will inform someone in advance once there’s new or important information.
Usage: Informal and friendly—great for casual workplace settings or social interactions.
20. I’ll share more when I can
Example: “The launch date is still confidential, but I’ll share more when I can.”
Meaning: Implies that details are currently restricted or unclear, but updates will follow.
Usage: Ideal when discussing sensitive, evolving, or confidential matters.
When to Use Different “I Will Let You Know” Alternatives
In Professional Settings
In professional environments, clarity and tone matter greatly. Using alternatives like “I’ll reach out to you,” “I’ll follow up with you,” or “I’ll notify you” conveys professionalism and respect for the recipient’s need for timely updates. These phrases help manage expectations without sounding vague or informal.
In Informal or Social Conversations
For friendly interactions or everyday messages, lighter and more casual alternatives like “I’ll keep you posted,” “I’ll give you a heads-up,” or “I’ll be in touch” can help you sound natural and personable. These versions are effective in showing consideration without sounding stiff or overly formal.
In Customer Support or Business Contexts
When dealing with clients, customers, or external partners, reliability and reassurance are key. Options like “I’ll send you an update,” “I’ll advise you shortly,” or “I’ll keep you in the loop” can build trust and show commitment to follow-through, which is essential in service-oriented or transactional settings.
Conclusion
While “I will let you know” is a perfectly acceptable and clear expression, expanding your vocabulary with thoughtful alternatives can greatly improve how you come across in different contexts. Whether you’re striving for a more professional tone, trying to be more personable in informal chats, or looking to maintain transparency with clients and colleagues, choosing the right phrase makes your communication feel more intentional and effective.
From formal phrases like “I’ll notify you” to more casual expressions like “I’ll keep you posted,” understanding the nuances of each option allows you to tailor your response based on the relationship, urgency, and setting involved.
FAQs
What does “I will let you know” mean?
It means that you will provide someone with information or an update once you have it or once a decision has been made.
Is “I will let you know” formal or informal?
It is considered neutral and can be used in most contexts, though some alternatives may be more appropriate in highly formal or professional settings.
Can I use “I’ll get back to you” instead of “I will let you know”?
Yes, but be mindful of tone—“I’ll get back to you” often implies that the speaker needs to find something out before replying, which is slightly different from simply providing an update.
What’s the best phrase for email communication?
Phrases like “I’ll follow up with you,” “I’ll update you,” or “I’ll send you an update” work well in emails, as they are clear and appropriately formal.
