Is it OK to say "I don't know"?
It's better than faking an answer — but there's a more effective phrase.
"I don't know" can unintentionally signal something about your competence or knowledge level. A better choice is: "I don't have that information with me." This small shift changes the implication from "I'm not knowledgeable" to "I don't have access to this right now" — a very different message. Speaking is not a smarts contest, and no one is expected to know everything. But how you frame your response still matters.
Follow it up with a commitment: "Let me make a note — can I get that to you by end of day tomorrow?" That turns an honest admission into a credible, professional response.
Why it matters: Under pressure, word choice shapes perception. "I don't know" can leave an audience with questions about your expertise. "I don't have that information with me" preserves your credibility while still being completely honest.
Practical Tips:
- Practice the phrase until it's automatic. Under stress, people default to what's rehearsed. Make "I don't have that information with me" your go-to so it comes out naturally rather than awkwardly.
- Never fill silence with bad information. A composed pause followed by an honest response is far more credible than a rushed, inaccurate answer.
- Always pair the admission with a follow-up commitment. The admission alone leaves the question hanging — the commitment closes the loop and shows you're accountable.
Practice Exercise:
Use the iSpeak AI Coach to practice difficult Q&A moments. Ask it to pose questions outside your expertise and practice your response until the phrasing feels confident, not apologetic.
Related Resources:
Corporate Ovations: Your Roadmap to More Effective Presentations
This is iSpeak's comprehensive guide to presentation and communication skills. Each chapter focuses on a critical aspect of preparing, developing, and delivering messages that inform, influence, and inspire.
Chapter 11 of Corporate Ovations ("Handling Questions") teaches that how you respond to audience questions will either build or damage your credibility, and that the key to handling even the toughest questions with confidence is preparation, a calm acknowledge-repeat-respond process, and the willingness to say "I don't have that information with me" rather than fake an answer.
Thinking on Your Feet Shortcut Card
Get this downloadable reference guide based on our Thinking on Your Feet workshop. It summarizes the key frameworks for answering questions, organizing responses, and handling challenging interactions with confidence.
Communication Insight
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Russ Peterson, Jr.
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John Maxwell
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