Zkteco Dat File Reader

If you manage a ZKTeco device, you have likely encountered the file. This file contains the raw attendance logs generated by the machine. However, opening it directly in a standard text editor often reveals a confusing wall of text or encoded data.

: Whether they used a fingerprint, face, or card.

logs = read_attlog('attlog.dat') for uid, time in logs: print(f"User uid: time")

Download the latest ZKTime or Attendance Management software. Inside the software, navigate to "Data Management" -> "Import from USB" . zkteco dat file reader

The exact date and time of the punch ( 2026-05-25 08:30:15 ).

A typical raw line looks like this: 1 2026-05-31 08:30:15 0 0 0 0 : User ID 2026-05-31 08:30:15 : Date and time of the punch 0 : Punch state (Check-In) 0 : Verification method (Fingerprint) Method 2: Official ZKTeco Software

A preview window will appear. Excel usually detects the file structure automatically. If you manage a ZKTeco device, you have

The attlog.dat file intentionally omits names to keep file sizes small. To map names to IDs, you must also export the user.dat file and perform a VLOOKUP (in Excel) or a SQL JOIN operation using the User ID column as the common key.

ZKTeco is a well-known brand in the biometric security solutions industry, providing a range of products such as fingerprint and facial recognition systems. These systems generate data files that need to be read, processed, and analyzed for various purposes, including access control, time attendance, and security monitoring. In this article, we will explore the concept of ZKTeco data files and the tools required to read them, focusing on ZKTeco data file readers.

Instead of waiting to dump the .dat file to a USB, many IT professionals use the ZKTeco SDK (Software Development Kit) to create a . : Whether they used a fingerprint, face, or card

This report provides a comprehensive guide to understanding, reading, and extracting data from ZKTeco DAT files. These files store attendance logs, user information, and device settings from ZKTeco biometric devices (fingerprint, face recognition, RFID). A custom reader is often required because the DAT format is proprietary and not directly readable by standard software.

There are several specialized converters designed to convert raw ZKTeco .dat files directly into Excel ( .xls or .xlsx ). These tools are ideal if you do not want to install large management software suites. 4. Custom Scripts (Python/C#)