# MikroTik WinBox Connection Database (Address Book) — file signature 0D F0 1D C0 at offset 0 For MikroTik WinBox Connection Database (Address Book), hex signature is 0D F0 1D C0; offset is 0; extension is cdb, verified against its source on 2026-09-22. - **Hex signature:** 0D F0 1D C0 _(verified: appears in the quote below)_ - **Offset:** 0 _(verified: appears in the quote below)_ - **Extension:** cdb _(verified: appears in the quote below)_ - **Format:** MikroTik WinBox Connection Database (Address Book) _(verified: appears in the quote below)_ ## What the source says > 0D F0 1D C0 | ␍ð�À | 0 | cdb | MikroTik WinBox Connection Database (Address Book) | ## Source - https://en.wikipedia.org/wiki/List_of_file_signatures Last verified: 2026-09-22. Review by: 2027-09-22. Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).