Correct

存档

/ cúndàng / 
Strokes

Definition

to file/to save a file (computer)/saved data (for a video game etc)

Example

As a Verb

keep in the archives; place on file; file

1
Qǐng
请
bǎ
把
zhè
这
fēng
封
xìn
信
cúndàng
存档
  
。

Please file this letter (away).

2
Bǎ
把
wénjiàn
文件
cúndàng
存档

place/keep a document on file

3
Cúndàng
存档
bèichá
备查

file for future reference

As a Verb

save file