To duplicate data exactly as the original
When to use
File duplication, Text copying, Image copying
The nuance
Use 복사하다 when duplicating original data exactly, such as files, text, or images on a computer.
복사하다 (bok-sa-ha-da, boksahada) · 붙여넣다 (but-yeo-neoh-da, butyeoneohda)
복사하다 means to duplicate data, while 붙여넣다 means to insert the copied data at a desired location.

One lane per word — no nested boxes, just the gist.
To duplicate data exactly as the original
When to use
File duplication, Text copying, Image copying
The nuance
Use 복사하다 when duplicating original data exactly, such as files, text, or images on a computer.
To insert copied data into a desired location
When to use
Paste after copy, Text pasting, File pasting
The nuance
Use 붙여넣다 when inserting copied data into another location, only after copying; it is not used for duplicating the original itself.
파일을 복사하다가 컴퓨터가 멈췄어요.
pa-il-eul bok-sa-ha-da-ga keom-pyu-teo-ga meom-chwoss-eo-yo., pa il eul bok sa ha da ga keom pyu teo ga meom chwoss eo yo.
'복사하다' correctly describes duplicating the original file.
파일을 붙여넣다가 컴퓨터가 멈췄어요.
pa-il-eul but-yeo-neoh-da-ga keom-pyu-teo-ga meom-chwoss-eo-yo., pa il eul but yeo neoh da ga keom pyu teo ga meom chwoss eo yo.
'붙여넣다' correctly describes pasting the copied file into another location.
문서를 붙여넣다.
mun-seo-reul but-yeo-neoh-da., mun seo reul but yeo neoh da.
For duplicating the original document, use '복사하다'. '붙여넣다' is only for inserting copied content.
텍스트를 복사한 다음 붙여넣으세요.
tek-seu-teu-reul bok-sa-han da-eum but-yeo-neoh-eu-se-yo., tek seu teu reul bok sa han da eum but yeo neoh eu se yo.
Correctly describes the sequence: copy text, then paste it.
복사하지 않고 바로 붙여넣다.
bok-sa-ha-ji an-go ba-ro but-yeo-neoh-da., bok sa ha ji an go ba ro but yeo neoh da.
'붙여넣다' requires prior copying; cannot paste without copying first.
이미지를 복사해서 다른 폴더에 붙여넣었다.
i-mi-ji-reul bok-sa-hae-seo da-reun pol-deo-e but-yeo-neoh-eoss-da., i mi ji reul bok sa hae seo da reun pol deo e but yeo neoh eoss da.
Correctly describes copying an image and pasting it into another folder.
복사하다가 붙여넣다를 생략해도 된다.
bok-sa-ha-da-ga but-yeo-neoh-da-reul saeng-ryak-hae-do doen-da., bok sa ha da ga but yeo neoh da reul saeng ryak hae do doen da.
Copying and pasting are distinct steps; you cannot omit pasting after copying.
텍스트를 복사해서 이메일에 붙여넣었어요.
tek-seu-teu-reul bok-sa-hae-seo i-me-il-e but-yeo-neoh-eoss-eo-yo., tek seu teu reul bok sa hae seo i me il e but yeo neoh eoss eo yo.
Correct example of copying text and pasting it into an email.
Which sentence is correct? '문서를 ___.'
Which word is used when inserting copied text into another document?
Which is correct? '파일을 ___ 중입니다.'