The most common and most likely answer to this crossword clue is the 9 letter word FILENAMES which also is the latest solution we found used in New York Times in 2009.
They have extensions crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| FILENAMES | 100 % | 9 | 
Words with a meaning similar to the clue: They have extensions
These words may or may not be a possible solution to this crosswords clue.- ruins
 - gill
 - scorpion
 - louse
 - regeneration
 - lion
 - playground
 - hittite
 - kin
 - kingfisher
 - warehouse
 - gears
 
Crossword Answer definitions
FILENAMES noun- The name assigned to a file in a file system.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution