What Does "Loop Me In" Mean? (And When Not to Say It)

“Loop me in” means “include me in this communication or keep me informed about this topic.” It’s a request to be added to an email thread, a project update, or a conversation that’s relevant to your work. “Please loop me in on the vendor discussions” means “please add me to those email exchanges or tell me what’s being decided.” It’s standard American business English, widely understood in global offices, and perfectly appropriate in most workplace contexts.

Where the Phrase Comes From

The phrase comes from the idea of a communication loop — a circle of people who are all receiving the same information. When you ask someone to “loop you in,” you’re asking to be added to that circle.

It gained popularity in American tech and corporate culture in the 1990s and 2000s and is now a near-universal piece of business vocabulary. Even people who find corporate jargon annoying generally understand and accept this one.

How to Use It Correctly

Asking to be included: “Can you loop me in on the client calls going forward?” “Please loop me in when you hear back from the supplier.” “Keep me looped in on the budget discussions.”

Adding someone else to a thread: “I’m looping in Priya, who handles contracts on our side.” “Looping in Marcus so he has the context for next week.”

Past tense: “I wasn’t looped in on that decision — when was it made?” “Who was looped in on the original scope change?”

In email subject lines: Some people write “[Looping in Marcus]” at the start of a forwarded email to flag that they’ve added someone new. This is a common and efficient convention.

The Situations Where It Works Best

“Loop me in” works naturally when:

• You want to be added to an ongoing email thread
• You want to be notified when a decision is made
• You’re joining a project partway through and need context
• You’re asking a colleague to cc you on communications with a third party

When Not to Say “Loop Me In”

In very formal writing: “Loop me in” is slightly informal. In a formal business letter or a communication with a very senior executive who uses formal English, prefer “Please keep me informed of any developments” or “I would appreciate being copied on relevant correspondence.”

When it’s become a reflex: In some offices, “loop me in” is said so automatically that it loses meaning. If you find yourself saying “loop me in” on six different things in one week, consider whether you actually need all that information or whether you’re adding yourself to too many threads out of anxiety about being left out.

When you mean something more specific: If you want to be a decision-maker (not just informed), “loop me in” undersells your request. Say “I’d like to be involved in that decision” or “I need to be consulted before any commitment is made.”

If you want to be notified only at the end, say “Let me know the outcome” rather than “loop me in” (which implies ongoing updates).

Common Mistakes Non-Native Speakers Make

“Please loop me” without “in”: Incorrect. The full phrase is “loop me in” — you can’t drop the “in.”

“I will loop you in about the meeting”: Slightly off. Use “loop you in on” not “loop you in about.” “Please loop me in on the meeting” sounds natural; “loop me in about the meeting” sounds slightly non-native.

Confusing “loop in” with “bring up”: These are different. “Loop me in” means include me in the communication. “Bring this up” means raise the topic. “Can you loop me in on the salary discussion?” means tell me what’s happening. “Can you bring up my request in the salary discussion?” means advocate for something on my behalf.

Alternatives to “Loop Me In”

If you want to vary your language or write more formally:

• “Please keep me informed about…”
• “Could you copy me on the relevant emails?”
• “I’d like to be kept in the loop on this” (same idiom, slightly more formal phrasing)
• “Please include me in future communications about…”
• “Let me know when there’s an update on…”

“Keep me in the loop” is the slightly more formal version of the same idea. You can use both interchangeably in most contexts.

For more jargon explained for non-native speakers, see our guides on what “circle back” means and what “touch base” means.

FAQ

Is “loop me in” appropriate in formal emails?

It’s appropriate in most professional contexts but slightly informal. For formal correspondence with senior executives or external clients in formal industries (legal, finance, government), prefer “please keep me informed” or “please copy me on correspondence.”

What does “keep me in the loop” mean?

It means the same thing as “loop me in” — keep me informed and included in the relevant communications. “Keep me in the loop” is the slightly more formal version.

Can you “loop in” multiple people at once?

Yes. “I’m looping in Sarah and Marcus, who are both working on this project.” This is common when forwarding emails or adding multiple people to a cc list.

Is “loop me in” British or American English?

It originated in American business culture and is more commonly heard in American offices. It’s well understood globally, but British professionals may more naturally say “keep me posted” or “keep me in the loop.” Both are correct and interchangeable.

What’s the difference between “loop me in” and “cc me”?

“Cc me” is specific — it means add my email address to the copy field of an email. “Loop me in” is broader — it means keep me informed, which might mean cc-ing you, forwarding emails, or just updating you verbally. “Loop me in” is the request; “cc me” is one method of fulfilling it.