USERNAME

Computer ID (8)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,576 — 2023-06-21 23:00:52
  3A: Text identifier required for logging in (8)
• Quick crossword No 15,806 — 2021-01-04 00:00:21
  12D: Computer ID (8)