To look into something means to investigate or examine it carefully, usually to understand a problem, check a fact, or find out what's going on.
LOOK + INTO = INVESTIGATE?!
Literally, "look into" sounds like peering inside something: a box, a hole, someone's eyes.
The company promised to look into the complaint.
Nobody is looking inside the complaint. There's nothing to physically peer into at all. Here, "look into" isn't about literally using your eyes at all: it means investigating or examining the situation.
What Does Look Into Mean?
You look into something when you investigate or examine it carefully, usually to understand a problem, check a fact, or find out what happened.
Typical things people look into:
- look into a complaint
- look into the cause of a problem
- look into a strange situation
- look into the possibility of doing something
It's one of the most natural ways to say "I will investigate this" without sounding overly formal.
Natural Examples
The manager said she'd look into the delayed delivery and get back to us tomorrow.
Police are looking into the cause of the fire.
Can you look into why the website keeps crashing?
We're looking into the possibility of working from home on Fridays.
Can You Separate It?
No. In this meaning, keep look into together and put the object after into.
✅ I'll look into the problem.
✅ I'll look into it.
❌ I'll look the problem into.
❌ I'll look it into.
Compare this with look up: that one splits around a pronoun (look it up), but look into never does (look into it). Same first word, opposite rule — so check each phrasal verb separately rather than guessing from a pattern.
How to Use It
Look into almost always needs something after it: a complaint, a matter, a case, a possibility, or a question-word clause.
- look into why something happened
- look into whether something is possible
- look into what caused a problem
It changes like a normal verb:
- I look into customer complaints every day. (present)
- We're looking into it right now. (present continuous)
- She looked into the matter personally. (past)
Look into often sounds more conversational than investigate, making it useful in both everyday and professional English. You might hear it from a shop assistant or a colleague just as easily as you'd hear investigate in a report — both describe the same action.
Common Mistakes
Where does the object go? Always after the whole phrase.
❌ I'll look it into.
✅ I'll look into it.
Investigating something, or literally looking at it? These are different actions.
❌ I looked into the photo to see the details. (if you just glanced at it)
✅ I looked at the photo to see the details.
In a Conversation
Priya: My package still hasn't arrived, and it's been two weeks.
Dev: That's annoying. Have you contacted the shop?
Priya: Yes, they said they'd look into it and email me today.
Easy Way to Remember It
You don't need your eyes for this one. Look into means find out what's really going on, even when there's nothing visible to look at.
Similar Expressions
- investigate something: a close synonym that often sounds a little more formal. The police are investigating the incident.
- check something: simpler and usually smaller in scale. Can you check if the shop is open?
- find out something: focuses on the result — learning a fact — rather than the process of examining. See figure out for a close cousin that's about thinking your way to an answer rather than researching one.